000 00894cam a22002411 4500
001 gs 38000043
003 DLC
005 20260227111342.0
008 750613s1933 paua 000 0 eng
010 _ags 38000043
035 _a(OCoLC)1391746
040 _aDLC
_cOT
_dOCoLC
_dDLC
042 _apremarc
050 0 0 _aTN24.P4
_bA7
100 1 _aAshley, Geo. H.
_q(George Hall),
_d1866-
245 1 4 _aThe undeveloped mineral resources of Pennsylvania /
_cintroduction by George H. Ashley.
260 _aHarrisburg, Pa. :
_bDepartment of internal affairs, Topographic and geologic survey,
_c1933.
300 _a16 p. :
_bincl. tables ;
_c23 cm.
490 1 _aPennsylvania. Geological survey, 4th (1919- ) Bulletin M18-A
500 _aAt head of title: Pennysylvania Geological survey, Fourth series.
650 0 _aMines and mineral resources
_zPennsylvania.
830 0 _aBulletin M ;
_v18-A.
999 _c27414
_d27414