IN    THE    UNITED    STATES. 
MAR  YL  AND— Continued . 
415 
Locality. 
UOdenton, copper  bolt  in  parapet  of  box  culvert. 
Delia 
flOrange  Grove 
[Orchard 
flOregon 
BOsborne,  Charles  County 
BOsborne,  Harford  County 
jOwensville 
jOwings  Mills 
[Oxford  
IParkton,  N.  C.  Rwy.,  copper  bolt  in  rock  east 
of  station. 
[Parsonburg,  B.,  C.  &  A.  Rwy.,  iron  post   at 
Riggin's  store. 
[Patapsco,  Anne  Arundel  County,  square  nil 
on  back  wall  of  under  grade  bridge. 
jPatapsco,  Carroll  County 
JPatuxent 
Peninsula  Junction,  spike   in   telegraph   pole 
nearC.  B.  Rwy.  station. 
Pen-Mar.... * '.. 
Perrymansville 
Do copper  bolt  in  station  step 
llVrrvville,  copper  bolt  in  back  wall  of  Susque- 
hanna River  bridge. 
Phoenix,  copper  bolt  in  northwest  wing  of 
Bridge  No.  20. 
Pikesville 
Piney  Grove,  Allegany  County 
Piney  Grove,  Garrett  County,  spike  in  tele- 
graph pole  opposite  abandoned 
house  in  road  to  New  Germany. 
[Piney  Mountain 
Plane  No.  Four 
Pleasant  Hill,  highest  point  on  large  stone  at 
crossroads. 
Pleasantville,  nail  in  stump  in  front  of  T.  A. 
Harkins's  house. 
Pocomoke 
Do .  . .  aluminum  tablet  on  doorsill  of  Poco- 
moke City  Hotel. 
Do 
Point  of  Rocks. 
Do square   cut   on   abutment   of 
bridge  over  C.  &  O.  Canal. 
Do B.  M.  on  foundation  arch  of 
tunnel. 
Popes  Creek 
Poplar  . .  .* 
Port  Deposit,  P.,  B.  &  W.  R.  R.,  aluminum 
tablet  on  town  hall  founda- 
dation. 
Port  Tobacco. 
Potomac 
Do. 
Powellville,  nail  in  root  of  tree  in  front  of 
J.  Gailey's  house. 
Prices,  top  of  switch  clearance  post  south  of 
highway  crossing. 
Authority. 
Elevation. 
P.,B.  &  W.  R.  R.. 
B.&O.  R.  R 
B.  &0.  R.  R 
W.  V.  C.  &  P.  Rwv 
r.s.o.s 
P.,B.  &  W.  R.  R. 
B.  &0.  R.  R 
U.S.G.S 
W.  M.  R.  R 
P.,  B.  &  W.  R.  R. 
U.  S.  G.  S 
r.  s.G.s 
P.,  B.  c<t  W.  R.  R.. 
W.  M.  R.  R 
U.  S.G.  S 
r.  s.G.s 
W.  M.  R.  R 
P.,  B.  «feW.  R.  R,. 
P.,  B.  &W.  R.  R.. 
P.,  B.  &W.  R.  R.. 
N.  C.  Rwy 
W.-M.  R.  R 
U.  S.  G.  S 
U.S.G.S 
U.  S.  G.  S.... 
B.  &  O.  R.  R. 
U.S.G.S.... 
U.  S.  G.  S. 
N.  Y.,  P.  &  N.  R.  R. 
U.S.G.S 
Weather  Bureau. 
B.&O.  R.  R.... 
U.  S.  C.  &G.  S.. 
U.  S.  C.  &  G.  s. 
P.,B.  &  W.  R.  R. 
B.  &0.  R.  R 
U.S.G.S 
P.,  B.  &  W.  R.  R... 
B.  &0.  R.  R 
W.  V.  C.  &  P.  Rwy. 
U.S.G.S 
U.S.G.S 
Feet. 
148 
154 
88 
848 
370 
218 
73 
182 
480 
9 
421 
80 
33 
360 
184 
15 
1,200 
45 
43 
27 
241 
435 
855 
2,  649 
2,410 
588 
372 
531 
11 
37 
230 
224 
233 
10 
96 
16 
177 
692 
679 
32 
67 
