01375nam 2200445Ia 450 991069131610332120020618104346.0(CKB)5470000002346216(OCoLC)48909807ocm48909807(OCoLC)995470000002346216(EXLCZ)99547000000234621620020131d2001 ua 0engtxtrdacontentnrdamedianbrdacarrierThe National Map Pennsylvania pilot project[Reston, VA] :U.S. Dept. of the Interior, U.S. Geological Survey,[2001]1 sheet (2 pages) 1 illustration, 1 color map ;28 cmUSGS fact sheet ;120-01"November 2001."Authors: Jay Parrish, Roger Barlow.Caption title.Shipping list no.: 2002-0071-P.National Map Geographic information systemsPennsylvaniaPennsylvaniaGeographyGeographic information systemsBarlow Roger(Roger A.)61611Parrish Jay1954-1385221Geological Survey (U.S.)UDIUDIDNUGPOBOOK9910691316103321The National Map3432519UNINA