00778cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040004800111050001700159086002700176100004900203245004400252260008900296300003800385490006300423504003100486650001100517830002000528gs 30000221 DLC20260227111334.0780410s1930    pauab    b    000 0 eng c  ags 30000221   a(OCoLC)3791430  aU.S. Geol. Survey. Libr.cOTdPdOCoLCdDLC00aGB605.P4bS70 aPY G345/4.3 G32padocs1 aStone, Ralph W.q(Ralph Walter),d1876-1964.10aPennsylvania caves,cby Ralph W. Stone.  aHarrisburg,bDepartment of internal affairs, Topographic and geologic survey,c1930.  a63 p. incl. illus., maps.c23 cm.1 aPennsylvania. Geological survey (4th, 1919-  ) Bulletin G3  aBibliographical footnotes. 0aCaves. 0aBulletin G,v3.