| 000 | 00891cam a22002411 4500 | ||
|---|---|---|---|
| 001 | gs 19000004 | ||
| 003 | DLC | ||
| 005 | 20260227111323.0 | ||
| 008 | 850329r1918uuuudcuf f000 0 eng c | ||
| 010 | _ags 19000004 | ||
| 035 | _a(OCoLC)11865267 | ||
| 040 |
_aLibrary, U.S. Geological Survey _cNRU _dNRU _dDLC |
||
| 042 | _apremarc | ||
| 043 | _an-us-pa | ||
| 050 | 0 | 0 |
_aQE75 _b.B9 no. 515 |
| 100 | 1 |
_aMarshall, R. B. _q(Robert Bradford), _d1867-1949. |
|
| 245 | 1 | 0 |
_aResults of spirit leveling in Pennsylvania, 1899 to 1911, inclusive. _cR.B. Marshall, chief geographer. Work done in cooperation with the state. Reprinted with corrections. |
| 260 |
_aWashington, _bGovt. Print. Off., _c1918. |
||
| 300 |
_a164 p. _bpl. _c24 cm. |
||
| 490 | 0 |
_aGeological Survey bulletin, _v515 |
|
| 651 | 0 |
_aPennsylvania _xAltitudes. |
|
| 710 | 1 |
_aPennsylvania. _bBureau of Topographic and Geologic Survey. |
|
| 999 |
_c25896 _d25896 |
||