IN    THE    UNITED    STATES. 
188 
DISTRICT   OF   COLUMBIA. 
Locality. 
Authority. 
Elevation. 
Bennings 
P.,B.&  W.  R.  R 
P.,B.&W.  R.  R 
U.S.C.&G.S 
P.,B.  &W.  R.  R 
Weather  Bureau 
Feet. 
35 
Do.  .copper  bolt  in  coping  of  arch  20 
Brookland,  B.  M.  on  north  end  culvert  3A 
Dean  wood,    copper   bolt   in    northeast    wing 
wall  of  arch  19. 
Distributing  reservoir. . 
37 
129 
30 
120 
Eckington,  B.  M.  opposite  milepost  2 
Georgetown,  College  Observatory  .... 
Langdon 
Receiving  reservoir 
U.S.C.&G.S 
U.S.C.&G.S.. 
B.&O.R.  R 
Weather  Bureau 
95 
209 
71 
160 
Rives 
B.&O.R.R 
B.&O.R.R 
U.S.C.&G.S 
B.  &0.  R.  R 
B.  &0.  R.  R 
B.&O.  R.  R 
B.&O.R.R 
P.  R.  R 
60 
Stotts 
Do.  .B.  M.  on  south  abutment  of  Bridge 
No.  5B. 
Takoma  Park 
Terra  Cotta 
Washington 
Do.  .1  street  crossing 
Do 
Do.  .square  cut  on  pedestal  at  north  end 
of  train  shed. 
Do.  .Long  Bridge,  copper  bolt  in  north- 
east back  wall. 
Do.  .Long  Bridge,  copper  bolt  in  south- 
east back  wall. 
Do.  .Long  Bridge,  B.  M.  at  south  end.  . . 
Do.  .Capitol,  B.  M.  on  flagging  at  east 
entrance  to  rotunda. 
Do.  .Capitol,  engineer's  B.  M.  on  north- 
east corner  of  pediment  forming 
first   course   in   central   flight   of 
steps  at  east  main  entrance. 
Do.  .Capitol,  qopper  bolt  in  water  table 
on  south  side  of  Senate  wing. 
Do.  .Capitol,  dome 
208 
205 
287 
168 
25 
34 
10 
P.  R.R 
P.R.  R 
U.  S.  C.  &G.  S 
10 
11 
12 
U.S.C.&G.S 
12 
U.  S.  C.  &G.  S 
89 
U.S.C.&G.S 
91 
U.  S.  C.  &G.  S 
91 
U.S.C.&G.S 
P.R.  R 
U.  S.  C.  &G.  S... 
379 
Do.  .Navy-Yard,  copper  bolt  in  east  wing 
wall  at  south  end  of  tunnel. 
Do.  .Navy- Yard,  tide  gage 
27 
0 
Do.  .Navy-Yard  tidal  B.  M.,  upper  sur- 
face of  stone  pier  in  front  of  offices. 
Do.  .Navy- Yard  B.  M 
Do . .  Navy- Yard ,  cross  cut  on  stone  around 
flagstaff  near  gate. 
Do.  .Navy- Yard  Bridge,  B.  M.  on  curb- 
stone east  end. 
Do.  .Old  Coast  Survey  office,  B.  M.  on 
base    molding    separating    floor 
from  first  floor. 
Do.  .Coast  Survey  office,  B.  M.  on  floor 
of  vestibule. 
Do.  .Coast  Survey  office,  B.  M.  on  roof 
at  flagstaff. 
U.  S.  C.  &  G.  S 
4 
U.  S.  C.  &G.  S.... 
5 
U.S.C.&G.S 
U.  S.  C.  &G.  S 
39 
8 
U.S.C.&G.S 
U.S.C.&G.S 
75 
78 
U.S.C.&G.S 
137 
