00618nam 2200169z- 450 9910712785803321(CKB)5470000002496311(EXLCZ)99547000000249631120230509c2011uuuu -u- -engCumberland Gap National Historical Park : geologic resources inventory reportDenver, CONational Park Service, Geologic Resources Division ;Cumberland Gap National Historical Park BOOK9910712785803321Cumberland Gap National Historical Park : geologic resources inventory report3307278UNINA