IN    THE    UNITED    STATES. 
NEW  YORK— Continued. 
717 
Locality. 
Authority. 
Elevation. 
Oak  Hill,  Delaware  County 
U.S.G.S 
U.S.G.S 
P.R.R 
U.S.G.S 
U.S.G.S 
IT.  S.  G.  S 
N.  Y.C.&H.R.R.R 
N.,D.&C.R.R 
U.S.G.S 
U.S.G.S 
U.S.G.S 
N.  Y.C.&H.R.  R.  R 
U.S.G.S. 
U.S.G.S 
N.  Y.  C.  &H.  R.  R.  R 
R.  R.  R 
U.S.C.&G.S 
U.  S.  C.  &  G.  S 
Feet. 
2,400 
2,  455 
1,111 
Oak  Hill,  Hamilton  County 
Oakland 
Oakley  Corners,  Tioga  County 
1,549 
Oak  Orchard,  copper  bolt  in  abutment  of  iron 
bridge    over    Oak    Orchard 
Creek. 
Oak  Ridge,  Washington  County 
Oaks  Corners 
368 
777 
487 
Oak  Summit 
663 
Obi,  rock  foundation  at  southeast  corner  of 
bridge,  south  of  town. 
Odell  Hill,  Rensselaer  County 
1,521 
1,325 
Odell  Lake,  Delaware  County 
Odells 
2, 050 
119 
Odessa,  L.  V.  R.  R.,  south  line  of  station 
Do.  .chisel  mark  on  bowlder  at  carriage 
shop. 
Ogdensburg 
1,093 
1,050 
238 
Do 
340 
Do. brass   bolt   in   coping   stone   on 
north  face  of  light-house. 
Do. .  .  .brass  bolt  in  southwest  corner  of 
251 
278 
armory  building. 
Do ....  brass  bolt  in  southeast  founda- 
U. S.  C.  &G.  S 
280 
tion  of  town  hall. 
Do brass   bolt   in  northeast   corner 
U.  S.  C.  &G.  S 
290 
stone  of  custom-house. 
Do 
Weather  Bureau 
258 
Ohio,  top  of  footstone  near  Boyce  monument 
in  private  burial  ground. 
Do.  .copper  bolt  in  field  belonging  to  G. 
Johnson. 
Ohioville,  chisel  mark  on  Ohioville  Hotel 
Olcott,  B.  M.  on  west  abutment  of  bridge  over 
Eighteenmile  Creek. 
Do.  .square  cut  on  water  table  of  C.  B. 
Shaw's  store. 
Do.  .square  cut  on  foundation  of  porch 
of  Albright  Hotel. 
Do.  .square  cut  on  doorsill  of  Albright 
Hotel. 
Do.  .B.  M.  on  water  table  of  schoolhouse 
U.S.G.S 
U.S.G.S 
U.S.G.S 
U.S.C.&G.S 
U.  S.  C.  &G.  S... 
1,377 
1,374 
365 
250 
259 
U.  S.  C.  &G.  S 
274 
U.  S.  C.  &G.  S 
276 
U.  S.  C.  &G.  S 
286 
near  Eighteenmile  Creek. 
Do.  .square  cut  on  doorsill  of  First  Uni- 
versalist  Church. 
Old  Chatham. . . 
U.  S.  C.  &G.  S... 
287 
R.  R.  R 
U.S.G.S 
U.S.G.S 
U.S.G.S 
P.R.R 
P.R.R 
U.S.G.S 
U.S.G.S..... 
U.S.G.S 
U.S.G.S 
U.S.G.S 
551 
Old  Clump  Hill,  Delaware  County 
5, 000 
2,325 
Old  Far  Mountain,  Adirondacks 
Old  Fort  Mountain,  Adirondacks 
1,844 
Olean 
1,438 
Do.  .crossing  E.  R.  R 
Do..E.  R.  R 
Do.  .bronze  tablet  on  city  hall 
1,438 
1,430 
1,451 
Do.  .bronze  tablet  on  foundation  of  city 
building. 
Do.  .water  plug  in  rock  in  front  of  "Old 
Homestead"  saloon. 
Do . .  rim  of  eastern  sewer  trap,  Tompkins 
street. 
1,457 
1,434 
1,431 
