Surficial Geology of Ames Quadrangle, Monroe and Randolph Counties, Illinois

Relief shown by contours and spot heights"Geology based on field work and data compilation by David A. Grimley, 2006-2007 and Greg A. Shofner, 2002-2004.""Digital cartography by Jennifer E. Carrell, Zahra Golshani, and Jane E.J. Domier, Illinois State Geological Survey.""[Copyright] 2008 by The Board of Trustees of the University of Illinois. All rights reserved."Includes location map and index to adjoining quadranglesData sheet includes 2 cross sections, 3 ancillary maps, col. ill., and textIncludes bibliographical references on data shee