A Dip in the River

In 1978, John Cage authored A Dip in the Lake: Ten Quicksteps, Sixty-One Waltzes and Fifty-Six Marches for Chicago and Vicinity for performer(s), or listener(s), or record maker(s), which provides a list of 427 addresses in the Chicago area, arranged through chance operations into ten groups of two, sixty-one groups of three, and fifty-six groups of four. Peter Gena provides some fascinating history on the original piece here.

Noting that John suggested transcriptions of the work could be made for other cities or places, Chris Pax, Daniel Searing and I created a version for Washington, D.C., and, since Washington has a river rather than a lake, we entitled the result A Dip in the River.

Work commenced in 1989 using 16 adjoining maps of Washington, D.C. and the surrounding counties in Maryland (Montgomery and Prince George’s) and Virginia (Arlington and Fairfax), plus the City of Alexandria (Virginia). On each map a grid of 64 squares was laid, and within each square an additional 64 squares were drawn, providing a total of 65,536 coordinates for the metropolitan area. 427 addresses were then selected using chance operations and arranged into 10 groups of 2 (quicksteps), 61 groups of 3 (waltzes), and 56 groups of 4 (marches). A draft of the written version was completed in April 1990. Some addresses that required clarification were later visited; the final written version was then completed in January and February of 1991. (Our process was different than the one Cage used for Chicago.)

A performance or sonic realization of this version has yet to be completed. It is possible that in the intervening years some locations have ceased to exist or have changed their names. It is also possible that some locations would be challenging to visit or access, such as the Central Intelligence Agency in Waltz XXIX or the “Easternmost edge of Washington National Airport” (now Ronald Reagan Washington National Airport, somehow named after two presidents at once) in March XXXI, which to the best of my recollection was on a runway.

A Dip in the River:
Ten Quicksteps, Sixty-one Waltzes, and Fifty-six Marches
for Washington, D.C. and Vicinity
Thomas Moore, Chris Pax, Daniel Searing
Quicksteps

1. Wilkins Drive and Nevius Street (Fairfax County) 2. Anacostia Park north of U.S. Park Police station (District of Columbia)

1. National Arboretum at bend in Beechwood Road N.E. (District of Columbia) 2. Hamilton Street east of 38th Avenue (Prince George’s County)

III

1. National Arboretum south of Rhododendron Valley Road N.E. (District of Columbia) 2. Wapakoneta Road between Namakagan and Walhonding Roads (Montgomery County)

1. Cul-de-sac at south end of Jewell Street (Fairfax County) 2. Cardozo Senior High School (District of Columbia)

1. Capitol Beltway east of Telegraph Road (Fairfax County) 2. Marshall Drive and Route 110 (Arlington County)

1. Braeburn Parkway between Selkirk Drive and Pyle Road (Montgomery County) 2. Seay Street west of Longview Drive (City of Alexandria)

VII

1. Namakagan Road west of intersection with Marlyn Drive (Montgomery County) 2. Area between Tremont Drive and Palin Place (Fairfax County)

VIII

1. East bank of Anacostia River in Cottage City Neighborhood north of Bladensburg Road (Prince George’s County) 2. Q Street and Branch Avenue S.E. (District of Columbia)

1. Martin Luther King Jr. Avenue and U Street S.E. (District of Columbia) 2. Southern entrance to Mount Vernon College off White Haven Parkway (District of Columbia)

1. Southwest corner of Northwestern High School campus (Prince George’s County) 2. Northwest Branch Park west of Broad Acres Elementary School (Montgomery County)

Waltzes

1. National Children’s Island (District of Columbia) 2. Cabin John Creek east of Cypress Grove Lane (Montgomery County) 3. Boundary Drive east of Pentagon (Arlington County)

1. Rosilie Island south of Potomac River Waterfront Park (Prince George’s County) 2. Railroad tracks west of 1st Street S.E. between O and N Streets (District of Columbia) 3. Area south of Kingston Avenue (City of Alexandria)

III

1. Bon Air Park (Arlington County) 2. Arrowood Road and Redwood Avenue (Montgomery County) 3. Southwest corner of Burning Tree Park (Montgomery County)

1. Cameron Street and Ramsey Avenue (Montgomery County) 2. 2nd and Newkomb Streets S.E. (District of Columbia) 3. East Capitol Street and 6th and 7th Streets (District of Columbia)

1. Barton Street and Washington Boulevard (Arlington County) 2. Luzerne Avenue and Glen Ross Road (Montgomery County) 3. Patterson Elementary School on South Capitol Street S.E. (District of Columbia)

1. Rock Creek Park north of Military Road and west of Rock Creek (District of Columbia) 2. George Washington Memorial Parkway south of Gravelly Point (Arlington County) 3. K Street and Sherif Road (Prince George’s County)

VII

1. Fort Myer, southeast of the bend in Rodney Lane (Arlington County) 2. Temple Hills off Hagan Road (Prince George’s County) 3. 25th Street S.E. south of Savannah Street (District of Columbia)

VIII

1. Cherokee Avenue and Pima Street (Fairfax County) 2. Northernmost tip of Army-Navy Country Club west of Rolfe Street (Arlington County) 3. Georgia Avenue south of Backbay Lane on Andrews Air Force Base (Prince George’s County)

1. Pennsylvania Avenue just south of Brooks Drive (Prince George’s County) 2. Kenyon Street and Sherman Avenue N.E. (District of Columbia) 3. 16th Road and Reed Drive (Arlington County)

1. John Marshall McKinley Road between 9th Place and 9th Road (Arlington County) 2. Anacostia River Park southwest of Kenilworth Aquatic Gardens (District of Columbia) 3. Quincy Street east of 53rd Place (Prince George’s County)

1. Connecticut Avenue N.W. between Albemarle and Appleton Streets (District of Columbia) 2. Area northeast of Police Pistol Range (City of Alexandria) 3. Langston Golf Course on northern bank of Anacostia River (District of Columbia)

XII

1. Southern straightway of outer track at Rosecroft Raceway (Prince George’s County) 2. Seven Locks Road between Cindy Lane and Earl Court (Montgomery County) 3. 8484 16th Street (Montgomery County)

XIII

1. Top of loop north of intersection of Auth Road and Old Soper Road (Prince George’s County) 2. Turkey Cock Run east of Independence Circle and First Statesman Lane (Fairfax County) 3. Area west of the south end of Brittania Way (Prince George’s County)

XIV

1. 35th Street N.W. between O and P Streets (District of Columbia) 2. Mt. Olive Cemetery west of Montana Avenue N.E. (District of Columbia) 3. F Street N.E. between Eames Place and 18th Street (District of Columbia)

1. Braxton Place between West View Terrace and Highland Place (City of Alexandria) 2. University of Maryland, College Park, parking lot #4, off Paint Branch Drive (Prince George’s County) 3. Riggs Road and Amherst Street (Prince George’s County)

XVI

1. Bryan Branch Road in Pimmit Bend Park (Fairfax County) 2. Michigan Avenue N.E. between Queens Chapel Terrace and Gallatin Street (District of Columbia) 3. End of Powell Lane (Fairfax County)

XVII

1. 12th and Irving Streets N.E. (District of Columbia) 2. 13th and Otis Streets N.E. (District of Columbia) 3. Kenilworth Avenue N.E. north of Nannie Helen Burroughs Avenue (District of Columbia)

XVIII

1. Anacostia Park north of end of unnamed road that runs along the shore of the Anacostia River (District of Columbia) 2. Exit ramp from southbound Telegraph Road to westbound Capitol Beltway (Arlington County) 3. Springhill Drive between Edmonston Road and Springhill Court (Prince George’s County)

XIX

1. South end of Washington National Airport (Arlington County) 2. North shore of Anacostia River north of Frederick Douglass Memorial Bridge (District of Columbia) 3. Palisades Park at Little Falls (District of Columbia)

1. Watts Branch Park (District of Columbia) 2. Rock Creek Regional Park between left fork of Beach Drive and Rockville Pike (Montgomery County) 3. Dameron Drive between Sanford Road and Sherwood Road (Montgomery County)

XXI

1. Cul-de-sac at end of O Street S.E. off Massachusetts Avenue (District of Columbia) 2. Cameron Mills Road between Manor Road and Tennessee Avenue (City of Alexandria) 3. East Capitol and Blaine Streets (District of Columbia)

XXII

1. Kensington Parkway between Saul Road and Bexhill Drive West (Montgomery County) 2. Rosecroft Drive south of fork with cul-de-sac (Prince George’s County) 3. Navahoe Drive between University Boulevard and 10th Avenue (Montgomery County)

XXIII

1. Wapakoneta Road between Namakagan and Walhonding Roads (Montgomery County) 2. Plainview Road between Whittier Boulevard and Goodview Street (Montgomery County) 3. 26th and Buchanan Streets (Arlington County)

XXIV

1. North end of Potomac Yard (Arlington County) 2. Burning Tree Country Club northeast of the pond (Montgomery County) 3. Somerset Road between 48th and 49th Avenues (Prince George’s County)

XXV

1. Rock Creek Park north of Military Road and west of Rock Creek (District of Columbia) 2. Kenilworth Avenue north of Greenbelt Road (Prince George’s County) 3. Michael V. Polley Neighborhood Park (Prince George’s County)

XXVI

1. Kenwood Street north of Middleton Lane (Prince George’s County) 2. Denver Road west of Galveston Street (Community Center) (Montgomery County) 3. Hempstead between McKinley Street and Harts Avenue (Montgomery County)

XXVII

1. 15th Place between Erskine Street and 16th Avenue (Prince George’s County) 2. Turkey Cock Run south of Downing Court (Fairfax County) 3. 2nd and Irving Streets (Arlington County)

XXVIII

1. Campus Drive east of Mowatt Lane (Prince George’s County) 2. Tuckerman Street N.W. between 8th and 9th Streets (District of Columbia) 3. Potomac River west of Goose Island (District of Columbia)

XXIX

1. Central Intelligence Agency (Fairfax County) 2. Roosevelt Boulevard across from Plaza Seven Shopping Center (Fairfax County) 3. Colfax Avenue south of Reservoir Heights Avenue (Fairfax County)

XXX

1. Washington National Airport (Arlington County) 2. C&O Canal northeast of Ruppert Island (Montgomery County) 3. 44th Street N.W. between Garfield and Hawthorne Streets (District of Columbia)

XXXI

1. Court at end of Thomas Street (Arlington County) 2. Farm Hill Drive between Crosswoods and Waterway Drives (Fairfax County) 3. Pooks Hill Road southwest of Dudley Lane (Montgomery County)

XXXII

1. Commonwealth Avenue and Cedar Street (City of Alexandria) 2. Bren Mar Drive between Phyllis Lane and Kirk Place (Fairfax County) 3. Chevy Chase Country Club, east end, along road (Montgomery County)

XXXIII

1. Simon Elementary School on Mississippi Avenue S.E. (District of Columbia) 2. Delaware Street between Spring and Shepherd Streets (Montgomery County) 3. 5th Road west of Kensington Street (Arlington County)

XXXIV

1. 18th Street west of Oak Street (Arlington County) 2. Redbud Lane N.W. between East Beach Drive and Tulip Street (District of Columbia) 3. Cloverleaf Avenue west of Berkshire Drive (Prince George’s County)

XXXV

1. Rittenhouse Street and 8th Avenue (Prince George’s County) 2. 31st and Hayes Streets (Arlington County) 3. Beryl Road north of Bren Mar Drive (Fairfax County)

XXXVI

1. Fort Myer, Navy Annex (Arlington County) 2. East Capitol and Blaine Streets (District of Columbia) 3. Potomac School and Long Meadow Roads (Fairfax County)

XXXVII

1. Circle at end of unnamed street off Leesburg Pike northwest of Nevius Street (Fairfax County) 2. 8th and V Streets N.E. (District of Columbia) 3. Area east Ingalls Avenue and south of Fairwood Road (Prince George’s County)

XXXVIII

1. Van Ness Street N.W. between 37th and 38th Streets (District of Columbia) 2. Northeast corner of Calvert Park (Prince George’s County) 3. Walton Avenue south of Armand Avenue (Prince George’s County)

XXXIX

1. Vassar Drive between Sweetbriar Drive and Bryn Mawr Road (Prince George’s County) 2. Area south of Oxon Hill Children’s Farm (Prince George’s County) 3. Rhode Island Avenue south of the north gate of the National Oceanic and Atmospheric Administration (Prince George’s County)

1. Sharon Chapel Road between Wilton and Bethel Roads (Fairfax County) 2. Barnaby Run bordering North Barnaby Park (Prince George’s County) 3. North end of Maddux Lane (Fairfax County)

XLI

1. Buchanan Street and Piney Branch Road N.W. (District of Columbia) 2. Bent Branch Road, northeast of court (Montgomery County) 3. 28th Parkway south of Curtis Drive (Prince George’s County)

XLII

1. Oakville Street between Swann Avenue and Fannon Street (City of Alexandria) 2. Kensington Street between 20th and 22nd Streets (Arlington County) 3. I Street N.W. between 13th and 14th Streets (District of Columbia)

XLIII

1. Valley Drive and Fordham Road and Hillside Terrace (City of Alexandria) 2. 70th Place and Drylog Street (Prince George’s County) 3. Greenbelt National Park due east of the southeast corner of College Knolls (Prince George’s County)

XLIV

1. Gales and 19th Streets N.E. (District of Columbia) 2. Walden Street between Arliss and Piney Branch Road (Montgomery County) 3. Woodacre and Highwood Drives (Fairfax County)

XLV

1. Southwestern end Virginia Theological Seminary (City of Alexandria) 2. Railroad tracks between Newark Street and Manning Place (District of Columbia) 3. Nelson Street between Dominion Drive and 19th Street (Arlington County)

XLVI

1. Kennedy and Norway Drives (Montgomery County) 2. Unnamed road off Temple Hill Road west of Lambert Road (Prince George’s County) 3. Sycamore and 11th Streets (Fairfax County)

XLVII

1. Wheeler Road and Vermillion Avenue (Prince George’s County) 2. Suitland Road S.E. between 36th and 37th Streets (District of Columbia) 3. 13th Avenue between Elson Place and 14th Avenue (Prince George’s County)

XLVIII

1. Pennwood Road and Perry Street (Prince George’s County) 2. Van Dorn Street south of Van Dorn Plaza (City of Alexandria) 3. Pennsylvania Avenue and Fort Davis Drive S.E. (District of Columbia)

XLIX

1. Police station on Bladensburg Road N.E. south of T Street (District of Columbia) 2. Montauk Avenue just north of Camrose Terrace (Montgomery County) 3. Greenbriar and Dale Drives (Montgomery County)

1. Oakcrest Park (Prince George’s County) 2. Oxen Park Street south of Afton Street (Prince George’s County) 3. Cabin John Creek northeast of Cabin Road cul-de-sac (Montgomery County)

1. Oxon Cove (Prince George’s County) 2. 19th and Hollister Streets (Arlington County) 3. Area west of dead end of Rockland Terrace (Fairfax County)

LII

1. East-West Highway and Hyatt Place (Prince George’s County) 2. Oakville Street between Swann Avenue and Fannon Street (City of Alexandria) 3. Taney Avenue between Latham and Howard Streets (City of Alexandria)

LIII

1. K Street N.W. between 21st and 22nd Streets (District of Columbia) 2. E Street and F Street Terrace S.E. (District of Columbia) 3. Anacostia River southeast of Washington Yacht Club (District of Columbia)

LIV

1. Southern branch of Henson Creek in Henson Creek Trail Park (Prince George’s County) 2. 32nd and Denver Streets S.E. (District of Columbia) 3. Park north of 22nd and Oak Streets (Arlington County)

1. Court at the end of Melbourne Avenue (Montgomery County) 2. Limestone Place between Marlborough Way and Wofford Lane (Prince George’s County) 3. Suitland Federal Center (Prince George’s County)

LVI

1. 31st Street between Stuart and Stafford Streets (Arlington County) 2. Fork in railroad tracks at south end of Potomac Yard (City of Alexandria) 3. Cook Elementary School on Hannover Street N.E. (District of Columbia)

LVII

1. Walker Mill Road west of Tanow Place (Prince George’s County) 2. Oxon Run west of Forest Heights Elementary School (Prince George’s County) 3. Ventnor and Redford Roads (Montgomery County)

LVIII

1. North end of Rollins Avenue Local Park (Prince George’s County) 2. Center of Chatauqua Island (Montgomery County) 3. Henson Creek south of end of Yorkfield Drive (Prince George’s County)

LIX

1. Bellevue Terrace N.W. between Watson Place and Cathedral Avenue (District of Columbia) 2. Henson Creek Stream Valley Park (Prince George’s County) 3. Kenilworth Avenue over Brier Ditch (Prince George’s County)

1. Clarendon Boulevard and Ode (Arlington County) 2. Court at end of 52nd Street off intersection of 52nd Street and Rodman Street, N.W. (District of Columbia) 3. Lacey Boulevard and Arnet Street (Fairfax County)

LXI

1. Constitution Avenue N.W. east of 15th Street (District of Columbia) 2. Intersection of Waterside Drive and Massachusetts Avenue N.W. (District of Columbia) 3. Buchanan and 9th Streets (Arlington County)

Marches

1. University of Maryland, College Park, end of Union Drive (parking lot #1, near Benjamin Building) (Prince George’s County) 2. Shady Oak Drive (Fairfax County) 3. 12th and Fern Streets (Arlington County) 4. Pine Lane between Gateway Drive and White Pine Court (Prince George’s County)

1. Cul-de-sac at end of Neville Court (Fairfax County) 2. Last bend on unnamed road off Old Branch Avenue between Oursman Drive and Coach Lane (Prince George’s County) 3. Greater Southeast Community Hospital on 12th Street S.E. (District of Columbia) 4. Booker T. Homes Park (Prince George’s County)

III

1. 48th and 49th Streets N.W. (District of Columbia) 2. George Washington Junior High School (City of Alexandria) 3. Area south of Surrey Service Drive and east of Regency Parkway (Prince George’s County) 4. Angel Street on Bolling Air Force Base (District of Columbia)

1. Woodridge Langdon Park on Franklin Street N.E. (District of Columbia) 2. Kershaw Street and West Avenue (Prince George’s County) 3. Soldier’s Home north of Luray Drive between Arnold Drive and Eisenhower Road N.E. (District of Columbia) 4. Grover Archbold Park east of Mount Vernon College (District of Columbia)

1. Chesterfield and Westchester Drives (Prince George’s County) 2. Nebraska Avenue and 42nd Street N.W. (District of Columbia) 3. Undeveloped area east of Rollins Avenue (Prince George’s County) 4. Medford Avenue south of Griffith Drive (Prince George’s County)

1. Garfield Elementary School on Alabama Avenue S.E. (District of Columbia) 2. Barnaby Street S.E. south of Atlantic Street (District of Columbia) 3. Bock Road south of St. Barnabas Road (Prince George’s County) 4. Henry and Montgomery Streets (City of Alexandria)

VII

1. Area between Bradbury Park and Shadyside Avenue (Prince George’s County) 2. Quincy Street between 14th and 16th Streets (Arlington County) 3. Booze Creek due east of Burdette Court (Montgomery County) 4. Riverside Drive Park (Prince George’s County)

VIII

1. Darel Street and Wesson Drive (Prince George’s County) 2. Madison Street west of intersection with 9th Street (Arlington County) 3. Cedell Place between Harley Lane and Hope Drive (Prince George’s County) 4. Palisades Park near Little Falls (District of Columbia)

1. Westland Intermediate School off Massachusetts Avenue (Montgomery County) 2. St. Jerome’s Catholic Church on 43rd Avenue (Prince George’s County) 3. Potomac River southeast of Oronco Bay Park (City of Alexandria) 4. Bolling Air Force Base (District of Columbia)

1. Pleasant Road between Beach Bank Road and Capital View Avenue (Montgomery County) 2. Army-Navy Drive east of Joyce Street (Arlington County) 3. Cul-de-sac at end of Dupree Court (Fairfax County) 4. Holly and Philadelphia Avenues (Montgomery County)

1. Verne Street (Montgomery County) 2. Court at end of Upland Street (Arlington County) 3. I-95 (Capitol Beltway) at Clarmont Drive (Fairfax County) 4. Baltimore-Washington Parkway north of Kenilworth Avenue (Prince George’s County)

XII

1. 33rd and N Streets N.W. (District of Columbia) 2. Avalon Place between 20th and 21st Avenues (Prince George’s County) 3. West end of Henson Creek Trail Park (Prince George’s County) 4. Pitt Street and Abington Lane (City of Alexandria)

XIII

1. Georgia Avenue between Highland and Grace Drives (Montgomery County) 2. Fontaine Street north of Windsor Avenue (City of Alexandria) 3. Cul-de-sac at end of Jasper Place (City of Alexandria) 4. Bells Mill Road between Swanson and Coventry Ways (Montgomery County)

XIV

1. Mansion Drive west of Russell Road (City of Alexandria) 2. Railroad tracks southwest of King Street (City of Alexandria) 3. Lubber Run Park (Arlington County) 4. Sanford Road between Forest and Dameron Drives (Montgomery County)

1. 51st Avenue between Somerset Road and Sheridan Street (Prince George’s County) 2. South of intersection of Georgetown Pike and Chain Bridge Road (Fairfax County) 3. Tidal Basin (District of Columbia) 4. South end of George Washington Memorial Cemetery (Prince George’s County)

XVI

1. Southeast corner of Sweetbriar and Radcliffe Drives (Prince George’s County) 2. U.S. Route 1 between Branchville Road and University Boulevard (Prince George’s County) 3. E Street N.W. between 17th Street and Executive Avenue (District of Columbia) 4. St. Ann’s Catholic Church at Frederick and 10th Streets (Arlington County)

XVII

1. Glenbrook Road and Newark Parkway N.W. (District of Columbia) 2. Area south of Southern Expressway (Prince George’s County) 3. Anacostia River Park west of Anacostia River (Prince George’s County) 4. Adelphi Road and East-West Highway (Prince George’s County)

XVIII

1. Waneta Road south of intersection with Walhonding Road (Montgomery County) 2. Allan and Jamestown Roads (Montgomery County) 3. Portland Place and Stirling Road (Montgomery County) 4. Sibley Memorial Hospital (District of Columbia)

XIX

1. Asbury Lane and Belvue Drive (Montgomery County) 2. Ellicott and Garrison Streets, N.W. (District of Columbia) 3. 5th and Nicholson Streets N.E. (District of Columbia) 4. Creek just south of National Institutes of Health library (Montgomery County)

1. South side of Southeast Freeway S.E. between 3rd and 4th Streets (District of Columbia) 2. Bock Road south of St. Barnabas Road (Prince George’s County) 3. Berlin Avenue (Montgomery County) 4. Mistletoe Place off Riggs Road (Prince George’s County)

XXI

1. Jefferson Davis Highway north of Glebe Road (Arlington County) 2. Cameron Run between Eisenhower Avenue and railroad bridge (City of Alexandria) 3. Park on south bank of Northeast Branch of Anacostia River west of Shepherd Avenue (Prince George’s County) 4. 2nd Street between Montague and Manchester Streets (Arlington County)

XXII

1. 48th Street N.E. north of Eads Street (District of Columbia) 2. Paint Branch Stream Valley Park, north of College Park Airport (Prince George’s County) 3. Old Georgetown Road between Spruce Tree Avenue and Charles Street (Montgomery County) 4. Cul-de-sac of Wahly Drive (Montgomery County)

XXIII

1. Parkland Drive north of intersection with Addison Avenue (Prince George’s County) 2. Osage Street and 63rd Avenue (Prince George’s County) 3. Stephenson Place N.W. between Broad Branch Road and 33rd Street (District of Columbia) 4. Oakland Avenue and 2nd Street (Prince George’s County)

XXIV

1. Kentucky Avenue and E Street S.E. (District of Columbia) 2. Undeveloped area east of Rollins Avenue (Prince George’s County) 3. Rodman and 35th Streets N.W. (District of Columbia) 4. University Boulevard, Adelphi Road, and Campus Drive (Prince George’s County)

XXV

1. H Street and Benning Road S.E. (District of Columbia) 2. Algonquin Avenue between Cayuga and Wilson Avenues (Montgomery County) 3. Arlington National Cemetery, Sherman Drive north of Lee Drive (Arlington County) 4. Pauline Drive between Brooklawn Terrace intersections (Montgomery County)

XXVI

1. East cul-de-sac of Frazier Lane (Fairfax County) 2. 19th Street west of North George Mason Drive (Arlington County) 3. Southwest tip of Ayrlawn Park (Montgomery County) 4. Greenbelt National Park southeast of Westchester Park Drive (Prince George’s County)

XXVII

1. Area east of I-295 and well north of interchange with I-95 (Prince George’s County) 2. Manchester Drive between Branch Avenue and Old Branch Avenue (Prince George’s County) 3. Area south of D.C. Jail (District of Columbia) 4. Rhode Island Avenue between Geronimo and Fox Streets (Prince George’s County)

XXVIII

1. Kenilworth Avenue just south of District line (District of Columbia) 2. Exit from westbound I-95 to northbound I-295 (Prince George’s County) 3. South end of George Washington Memorial Cemetery (Prince George’s County) 4. Baltimore-Washington Parkway north of intersection with Annapolis Road (Prince George’s County)

XXIX

1. Brookside Drive between Vale Court and Little River Turnpike (Fairfax County) 2. Riggs Road between Drexel and Erskine Streets (Prince George’s County) 3. Fort Baker Drive S.E. south of 28th Street (District of Columbia) 4. Brinkley Road at Rosecroft Shopping Center (Prince George’s County)

XXX

1. End of Curled Oaks Place (Prince George’s County) 2. Area northeast of end of Roanoke Avenue (City of Alexandria) 3. 1st Place east of Pershing Drive (Arlington County) 4. 20th Avenue and Ager Road (on service road) (Prince George’s County)

XXXI

1. Easternmost edge of Washington National Airport (Arlington County) 2. Forest Heights north of Oxon Hill Children’s Farm (Prince George’s County) 3. Upton Street and Reno Road N.W. (District of Columbia) 4. Martin Luther King Jr. Avenue S.W. between Plains Drive and Galveston Street (District of Columbia)

XXXII

1. Walter Reed Army Medical Center, main building (District of Columbia) 2. Potomac River northwest of Goose Island (District of Columbia) 3. West end of Tilbury Road (Fairfax County) 4. East part of outer track at Rosecroft Raceway (Prince George’s County)

XXXIII

1. Bryant Street N.E. between 15th and North Capitol Streets (District of Columbia) 2. 3rd Street and Maryland Avenue S.W. (District of Columbia) 3. Capitol Beltway at eastbound exit for northbound Telegraph Road (Fairfax County) 4. Kanawha Street N.W. between 30th and Newland Streets (District of Columbia)

XXXIV

1. 14th and Ohio Streets (Arlington County) 2. Anacostia River south of Washington Navy Yard (District of Columbia) 3. Waterford Road and Cherry Tree Lane (Montgomery County) 4. St. Paul Augustinian Church on V Street N.W. (District of Columbia)

XXXV

1. Tucker Road Park and Ice Rink (Prince George’s County) 2. Argyle Park (Montgomery County) 3. Van Buren Street and 22nd Place (Prince George’s County) 4. Reston Court, off Manor Road (Montgomery County)

XXXVI

1. Southwest bank of Chatauqua Island (Montgomery County) 2. Turkey Cock Run south of end of Manchester Way (Fairfax County) 3. 16th Street N.W. between Hemlock and Iris Streets (District of Columbia) 4. Central and Myrtle Avenues N.E. (District of Columbia)

XXXVII

1. Brookview Drive and Brookland Road (Fairfax County) 2. Area southwest of end of Mercedes Boulevard (Prince George’s County) 3. Military Drive east of Patrick Henry Drive (Fairfax County) 4. Hil-Mar Drive and Hil-Mar Circle North (Prince George’s County)

XXXVIII

1. Area east of 69th Place south of Freeport Street (Prince George’s County) 2. 42nd Avenue south of Oliver Street (Prince George’s County) 3. South of intersection of unmarked road extending south from Metzerott Road near Bridgewater Street (Prince George’s County) 4. Dix Street N.E. west of 58th Street (District of Columbia)

XXXIX

1. Beauregard Street N between Fillmore Avenue and Campus Drive E (City of Alexandria) 2. Area north of Brookside Drive (Prince George’s County) 3. 13th and Upshur Streets N.E. (District of Columbia) 4. Luke Avenue on Bolling Air Force Base (District of Columbia)

1. Princeton Avenue and MacArthur Boulevard (Montgomery County) 2. Welborne Drive between Gloster Road and Woodacre Drive (Montgomery County) 3. Arlington National Cemetery, on ramp of intersection of Routes 27 and 110 (Arlington County) 4. Clarendon Drive and Elm Street (Montgomery County)

XLI

1. West end of Langdrum Street (Montgomery County) 2. Underwood Place N.W. between Capitol Street and Kansas Lane (District of Columbia) 3. Carlin Springs Road between 8th Place and 8th Road (Arlington County) 4. Federal Highway Administration Turner-Fairbank Highway Research Station (Fairfax County)

XLII

1. Cedar Hill Cemetery north of Suitland Road (Prince George’s County) 2. Northwest corner of Cool Spring and Riggs Roads (Prince George’s County) 3. K Street N.W. between 12th and 13th Streets (District of Columbia) 4. Martin Luther King Jr. Avenue and Redwood Drive, S.E. (District of Columbia)

XLIII

1. Fort Lincoln New Town (District of Columbia) 2. Glen Carlyn Park east of end of 6th Street (Arlington County) 3. Area north of Ridge Street N.E. between 5th Street and fire station (District of Columbia) 4. Kenilworth Avenue and Madison Street (Prince George’s County)

XLIV

1. Vinson Street west of Lawn Drive (Prince George’s County) 2. Connecticut Avenue and Evertt Street (Montgomery County) 3. Page and Beech Avenues (Montgomery County) 4. Suitland Parkway between Meadowview Drive and Suitland Road (Prince George’s County)

XLV

1. 32nd Place S.E. south of Park Drive (District of Columbia) 2. Tract of water off end of Railroad Avenue (Prince George’s County) 3. Arlington Boulevard between George Washington Memorial Parkway and Route 110 (Arlington County) 4. Arland D. Williams Jr. Bridge just off Virginia shore (District of Columbia)

XLVI

1. Buckland Street and Buckland Drive (Prince George’s County) 2. Auth Place northwest of Brittania Way (Prince George’s County) 3. Church Court between Highland Drive and Wilson Lane (Montgomery County) 4. Suitland Parkway and Stanton Road S.E. (District of Columbia)

XLVII

1. Area surrounded by Dallas Place (Prince George’s County) 2. Service road off Jefferson Davis Highway that leads to Potomac Yard (City of Alexandria) 3. Walnut Street and Southgate Drive (Prince George’s County) 4. Southeast end of intersection of Interstates 495 and 95 (Prince George’s County)

XLVIII

1. Church off intersection of 20th Street and North Glebe Road (Arlington County) 2. Columbia Pike between Mason Drive and Taylor Street (Arlington County) 3. Washington Harbor (District of Columbia) 4. North end of Calvert Street (Arlington County)

XLIX

1. Rock Creek Park between Ridge, Broad Branch, and Grant Roads (District of Columbia) 2. Baltimore Avenue (U.S. Route 1) and Buchanan Street (Prince George’s County) 3. 6th Street S.E. between Alabama Avenue and Mississippi Avenues (District of Columbia) 4. Tilden Street N.W. west of Connecticut Avenue (District of Columbia)

1. East end of 6th Road off Carlin Springs Road (Arlington County) 2. Capitol Heights Boulevard between Emo and Fable Streets (Prince George’s County) 3. Bend in Surrey Square Lane (Prince George’s County) 4. 13th and Gallatin Streets N.E. (District of Columbia)

1. Livingston Road north of Henson Creek Golf Course (Prince George’s County) 2. Area south of intersection of Pinewood Terrace and Maplewood Drive (Fairfax County) 3. East Capitol and Davey Streets (Prince George’s County) 4. Rhode Island Avenue south of the north gate of the National Oceanic and Atmospheric Administration (Prince George’s County)

LII

1. Train tracks south of C and 1st Streets at the south edge of Cameron Station Military Reservation (City of Alexandria) 2. Top of loop north of intersection of Auth Road and Old Soper Road (Prince George’s County) 3. George Washington Memorial Cemetery (Prince George’s County) 4. Area south of end of Landmark Mews Drive (Fairfax County)

LIII

1. Pond off west of Beachcraft Court (Prince George’s County) 2. 59th Place and Blaine Street N.E. (District of Columbia) 3. Crosswoods and Wentworth Drives (Fairfax County) 4. Carlin Lane and Linway Terrace (Fairfax County)

LIV

1. Lincoln Street between “unmarked” and West Service Road (Montgomery County) 2. East-West Highway west of intersection with Adelphi Road (Prince George’s County) 3. Barcroft Park (Arlington County) 4. Brooks Drive south of Marlboro Pike (Prince George’s County)

1. Cottage City Neighborhood west of Anacostia River (Prince George’s County) 2. Langley Oaks Park (Fairfax County) 3. East Potomac Golf Course (District of Columbia) 4. Southeast tip of Ruppert Island (Montgomery County)

LVI

1. Arbor Street between 59th Avenue and Belleview Avenue (Prince George’s County) 2. Henderson Road and Thomas Street (Arlington County) 3. South end of Georgia Avenue on Andrews Air Force Base (Prince George’s County) 4. Fort Lincoln Cemetery just northeast of District line (Prince George’s County)