01675oam 2200505 450 991069007900332120190213082705.0(CKB)5470000002334470(OCoLC)624680991(OCoLC)681182230(OCoLC)995470000002334470(EXLCZ)99547000000233447020100521d1991 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierOur changing landscape Indiana Dunes National Lakeshore /by Catherine L. Hill [and three others][Reston, Va.] :U.S. Department of the Interior, U.S. Geological Survey,1991.Washington :United States Government Printing Office,1991.1 online resource (vi, 44 pages) color illustrations, color mapsU.S. Geological Survey circular ;1085Public issues in earth scienceIncludes bibliographical references (pages 42-43).Our changing landscape National parks and reservesIndianaIndiana Dunes National Park (Ind.)IndianaIndiana Dunes National LakeshorefastNational parks and reservesHill Catherine L.1393837Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCOOCLCQOCLCFOCLCQOCLCACOPGPOBOOK9910690079003321Our changing landscape3450435UNINA