00559nam 2200157z- 450 9910712679603321(CKB)5470000002495364(EXLCZ)99547000000249536420230509c1975uuuu -u- -engPreliminary geologic map of the southern part of the Champion 7 1/2 minute quadrangle, Marquette County, MichiganU.S. Geological SurveyWashington D.CBOOK9910712679603321Preliminary geologic map of the southern part of the Champion 7 13263647UNINA