01275cam a22003011  4500001001300000003000400013005001700017008004100034010001700075035001900092040002600111042001200137050002300149100002900172245016500201260004800366300004500414410004700459500004900506500010600555504002800661650002200689650002600711650002700737700004900764710006600813740009400879gs 65000184 DLC20260227111416.0780805s1964    dcuab    b   f000 0 eng    ags 65000184   a(OCoLC)4112653  aDLCcOClUdOCoLCdDLC  apremarc00aQE75b.B9 no. 11731 aDe Witt, Wallace,d1920-10aBedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia,cby Wallace De Witt, Jr., and George W. Colton.  aWashington,bU.S. Govt. Print. Off.,c1964.  aiv, 90 p.billus., maps (2 col.)c24 cm.20aGeological Survey (U.S.).tBulletin,v1173  aPart of illustrative matter fold. in pocket.  a"Prepared partly in cooperation with the Maryland Department of Geology, Mines, and Water Resources."  aBibliography: p. 84-86. 0aGeologyzMaryland 0aGeologyzPennsylvania 0aGeologyzWest Virginia1 aColton, George Willis,d1920-ejoint author.1 aMaryland.bDepartment of Geology, Mines, and Water Resources.0 aEvitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia.