| 000 | 01021cam a22002651i 4500 | ||
|---|---|---|---|
| 001 | gs 41000156 | ||
| 003 | DLC | ||
| 005 | 20260227111347.0 | ||
| 008 | 800825s1941 xx 000 0 eng c | ||
| 010 | _ags 41000156 | ||
| 035 | _a(OCoLC)6651478 | ||
| 040 |
_aU.S. Geol. survey Lib. _cPLhS _dDLC |
||
| 042 | _apremarc | ||
| 050 | 0 | 0 |
_aQE157 _b.A293 no. 126 |
| 100 | 1 |
_aLaird, Wilson Morrow, _d1915- |
|
| 245 | 1 | 4 |
_aThe upper Devonian and lower Mississippian of southwestern Pennsylvania / _cby Wilson M. Laird. |
| 260 |
_a[Harrisburg : _c1941] |
||
| 300 |
_a1 p. l., 23 p. : _btables, diagrs. ; _c23 cm. |
||
| 410 | 1 | 0 |
_aPennsylvania. _bBureau of Topographic and Geologic Survey _tProgress report _v126 |
| 500 | _aAt head of title: ... Commonwealth of Pennsylvania. Dept. of internal affairs ... Topographic and geologic survey ... | ||
| 504 | _a"Literature survey": p. 2-4. | ||
| 650 | 0 |
_aGeology _zPennsylvania. |
|
| 650 | 0 |
_aGeology, Stratigraphic _yDevonian. |
|
| 650 | 0 |
_aGeology, Stratigraphic _yMississippian. |
|
| 999 |
_c27743 _d27743 |
||