000 01065cam a22002651 4500
001 gs 07000713
003 DLC
005 20260227111306.0
008 810923s1878 paub 000 0 eng c
010 _ags 07000713
035 _a(OCoLC)7785810
040 _aU.S. Geol. Survey. Library
_cNBuU
_dDLC
042 _apremarc
050 0 0 _aQE653
_b.H94
100 1 _aHunt, Thomas Sterry,
_d1826-1892.
245 0 0 _aSpecial report on the trap dykes and Azoic rocks of southeastern Pennsylvania.
_cBy T. Sterry Hunt. Part I. Historical introduction.
260 _aHarrisburg,
_bPub. by the Board of commissioners for the Second geological survey,
_c1878.
300 _aExxi, E253, 2, [1] p.
_bfront. (map)
_c23 cm.
490 1 _aPennsylvania. Geological survey, 2d. [Report of progress
_vE]
500 _aAt head of title: Second geological survey of Pennsylvania: 1875.
500 _aNo more published.
650 0 _aGeology
_zPennsylvania.
650 0 _aGeology, Stratigraphic
_yArchaean.
830 0 _aReport of progress (Geological Survey of Pennsylvania),
_vE.
999 _c24620
_d24620