2231 

 2233 

 2235 

 2237 

 223? 

 2241 

 2243 

 224S 



2247 

 2249 

 2251 

 2253 

 2255 



2257 

 2259 

 2241 

 2262 

 2263 

 2265 

 2267 

 2269 



2270 

 2271 

 2273 

 2275 

 2277 

 2278 

 2279 

 2280 

 2281 



2293 

 2294 

 2295 

 2297 



2299 

 2301 

 2303 

 2305 

 2307 

 2309 



2283 

 2284 

 2285 

 2287 

 2288 

 2289 

 2290 

 2291 



MO., VA., and DISTRICT Of COLUMBIA 

 Potomoc Riv«f — ConllfHwd 



Martholt Holl. Md 



Mount V»fnon, Vo 



Fort Woihlnglon, Md 



Rlv«rvl*w, Md 



Atanondrlo, Vo 



B*IUvu«, D. C 



Wethlngten Notional Airport 



WASHINOTON, Woihlngton Chan., €•■ 

 Anocotha Klv»r 



Anocoitlo Brldgo, 0. C 



Bcnning Bridge, D. C 



Ktf Bridg*, 0. C 



Chain Bridgt, on* mil* b*lew, D.C* 

 Chain Bridge, D. C 



VIRGINIA -ContiniMd 

 Ch«>ap«olit Bay, W*it*m Short— Con. 



Smith Point light 



Sunnybonit, LittI* Wicomico Rivor--- 



Or»af Wicomico Riv»r Light 



Fl«»t Point 



OUb* Pt., Crtat Wicomico Rivor 



Dividing Cr*«l( 



Windmill Point Lighthoui* 



Stingray Point 



Rappahannock Rivtr 



Windmill Point 



Mill Cr»«k 



Orchord Point 



MilUnbcck, Corrotomon Rivor — 



Urbonno 



Boy port 



Bowltri Rock 



Wor.i Whorf 



Toppohonnock 



Ptonltoronl: Rivr 



Ch»rry Point 



Jockion Croolt 



Dill* 



WoU Trop Light 



Mekiock Bay 



Now Point Comfort ' 



Mobjock, Eott Rivor ' 



BotUvlllo 



Brownt Boy 



SW. Branch, Sovorn Rivor ' 



York Spit light 



L**ditown 



Saund*rt Wharf 



Cr**n Bay 



Port Royal 



Hopyord londing • 



Corbint Nock 



Moiiaponoi 



Fr«d«rlckiburg 



38 41 



77 06 



2.3 



38 42 



77 05 



2.2 



38 43 



77 02 



2.4 



38 43 



77 02 



25 



38 48 



77 02 



28 



38 50 



77 02 



28 



38 SI 



77 02 



29 



38 52 



77 01 



2.9 



3B 52 



77 00 



2.9 



38 54 



76 58 



2.9 



3a 54 



77 04 



2.B 



38 55 



77 06 



2.8 



38 56 



77 07 



2.8 



37 53 

 37 53 

 37 48 

 37 49 

 37 51 

 37 44 

 37 36 

 37 34 



37 37 

 37 35 

 37 39 

 37 40 

 37 39 

 37 45 

 37 49 

 37 52 

 37 56 



37 31 

 37 33 

 37 30 

 37 23 



37 IB 

 37 22 

 37 25 

 37 IB 

 37 IS 

 37 13 



76 II 

 76 16 

 76 16 

 76 16 

 76 22 

 76 18 

 76 14 

 76 18 



76 17 

 76 25 

 76 27 

 76 29 

 76 34 

 76 40 

 76 44 

 76 47 

 76 51 



76 18 

 76 20 

 76 25 

 76 II 



76 17 

 76 21 

 76 26 

 76 24 

 76 27 

 76 IS 



38 07 



77 00 



38 05 



77 02 



38 09 



77 05 



38 10 



77 II 



38 15 



77 14 



38 13 



77 17 



38 15 



77 25 



38 18 



77 27 



1.2 

 0.8 

 l.t 

 I.I 

 1.2 

 I.I 

 I.I 

 1.2 



1.2 

 1.3 

 1.4 

 1.3 

 1.4 

 1.6 

 1.8 

 I.B 

 1.7 



1.2 

 1.2 

 1.3 

 1.6 



2.3 

 2.4 

 2.5 

 2.4 

 2.5 

 2.3 

 1.5 

 1.5 

 1.7 

 1.9 

 2.1 

 2.6 

 2.5 

 2.8 



2.6 

 2.5 

 2.8 

 2.9 

 3.2 

 3.2 

 3.3 

 3.3 



3.3 

 3.3 

 3.2 

 3.2 

 3.2 



1.4 

 1.0 

 1.3 

 1.3 

 1.4 

 1.3 

 1.3 

 U 



1.5 

 1.6 

 1.7 

 1.6 

 1.7 

 1.9 

 2.2 

 2.1 

 1.9 



1.4 

 1.4 

 1.6 

 1.9 



2.B 



2.9 

 3.0 

 2.9 

 3.0 

 2J 

 1.7 

 1.7 

 2.0 

 2.2 

 2.3 

 3.0 

 2.8 

 3.2 



I.I 

 I.I 

 1.2 

 1.2 

 1.4 

 1.4 

 1.5 

 U 



1. 5 

 1.5 

 1.4 

 1.4 

 1.4 



0.6 

 0.4 

 0.5 

 0.5 

 0.6 

 0.5 

 0.5 

 0.6 



0.6 

 0.6 

 0.7 

 0.6 

 0.7 

 0.8 

 0.9 

 0.9 

 0.9 



0.4 

 0.6 

 07 

 0.S 



I.I 

 1.2 

 1.2 

 1.2 

 1.2 

 1.2 

 0.7 

 0.8 

 0.8 

 1.0 

 I.I 

 1.3 

 1.2 

 1.4 



Stations 2231 to 2255 and 2283 to 2291: 

 Use reference station Washington (2245) . 



Stations 2257 to 2281 and 2293 to 2309: 

 Use reference station Hampton Roads (2353) 



354 



