01132nas 2200361-a 450 991014507470332120230321200322.0(CKB)991042742032398(CONSER)sf-85001189-(EXLCZ)9999104274203239820750408b19331948 -a- aengtxtrdacontentcrdamediaCircular /United States Department of the Interior, Geological Survey[electronic resource]Washington The Survey1933-19481 online resourcePrint version: Circular (Geological Survey (U.S.)) 0083-1107 (DLC)sf 85001189 (OCoLC)1261325 Circ. - U.S. Dep. Inter., Geol. Sur.GeologyUnited StatesGeologyfast(OCoLC)fst00940627GeologiegttUnited StatesfastGeologyGeology.Geologie.557.3Geological Survey (U.S.)JOURNAL9910145074703321exl_impl conversionCircular1924614UNINA