Lithologic cross sections of phanerozoic rocks in the northern midcontinent, U.S.A / U.S. Department of the Interior, U.S. Geological Survey ; compiled by Douglas N. Mugel and Walden P. Pratt ; prepared in cooperation with the Geological Surveys of Arkansas [and others].
Series Titles:
Miscellaneous field studies ; map MF-1835-G Folio of the northern midcontinent area Miscellaneous field studies ; map MF-1835-G. Folio of the northern midcontinent area.