| 000 | 01033cam a22002651 4500 | ||
|---|---|---|---|
| 001 | gs 31000159 | ||
| 003 | DLC | ||
| 005 | 20260227111335.0 | ||
| 008 | 950619s1929 paua b s000 0 eng c | ||
| 010 | _ags 31000159 | ||
| 035 | _a(OCoLC)32674988 | ||
| 040 |
_aLibrary, U.S. Geological Survey _cWaU _dWaU _dOCoLC _dDLC |
||
| 042 | _apremarc | ||
| 043 | _an-us--- | ||
| 050 | 0 | 0 |
_aQE728 _b.S9 |
| 100 | 1 |
_aSwartz, Frank M. _q(Frank McKim), _d1899- |
|
| 245 | 1 | 4 |
_aThe Helderberg group from central Pennsylvania to southwestern Virginia, _cby Frank McKim Swartz ... |
| 260 |
_bState College, Pa., School of mineral industries, _c1929. |
||
| 300 |
_a1 p. l., 14, [13] p. _bincl. tables, diagrs. _c23 cm. |
||
| 440 | 0 |
_aBulletin (Pennsylvania State University. Mineral Industries Experiment Station) ; _vno. 4 |
|
| 500 | _a[pt. 1] "reprinted from the Proceedings of the Pennsylvania academy of science, v. 3, 1929." | ||
| 504 | _aContains references. | ||
| 650 | 0 |
_aPaleontology _zUnited States. |
|
| 650 | 0 |
_aPaleontology _yDevonian. |
|
| 999 |
_c26880 _d26880 |
||