00913cam a22002771i 4500001001300000003000400013005001700017008004100034010001700075035001900092040002100111043001200132050002200144051001500166100004000181245008600221260004300307300004800350490004600398504002600444500002900470650002900499650003300528810005700561999001700618gs 05000702 DLC20260227111301.0790606s1896    dcubf    b   f000 0 eng    ags 05000702   a(OCoLC)5039780  aDLCcICharEdDLC  an-us-pa00aQE75b.B9 no. 136  aQE461b.B31 aBascom, F.q(Florence),d1862-1945.14aThe ancient volcanic rocks of South mountain, Pennsylvania /cby Florence Bascom.  aWashington,bGovt. Print. Off.,c1896.  a124 p. :bxxviii pl. (incl. maps) ;c24 cm.1 aU.S. Geological survey. Bulletinvno. 136  aBibliography : p. 19.  a"Literature" : p. 87-91. 0aPetrologyzPennsylvania. 0aIgneous rockszPennsylvania.1 aUnited States.bGeological Survey.tBulletin ;v136.  c24268d24268