Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadranglesSheet 2 includes 1 colored cross section, 2 diagrams, and 1 chartIncludes bibliographical references (sheet 2
Relief shown by contours and spot heights"Geology based on field work by R. Jacobsen, B. Denny, and ...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on data collected by C.P. Weibel and A.J. St...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Relief shown by contours and spot heights"Geology based on field work by the authors, 1997-1998.""Di...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Relief shown by contours and spot heights"Illinois geology based on field work by R. Jacobson and J....
Relief shown by contours and spot heightsData sheet includes text, 2 col. cross sections, and 1 col....
Relief shown by contours and spot heightsIncludes location map and index to adjoining quadranglesInc...
Relief shown by contours and spot heightsIncludes bibliographical referencesIncludes text and 1 loca...
Relief shown by contours and spot heights"Based on field work and data compilation by S. Panno, B. D...
Relief shown by contours and spot heights"Geology based on field work by F.B. Denny, 2000-2001.""Dig...
Relief shown by contours and spot heights"Geology based on field work and data compilation by S. Pan...
Computer generated mapRelief shown by spot heights and contoursIncludes text, col. ill., cross secti...
Relief shown by contours and spot heights"Geology based on field work by R. Jacobsen, B. Denny, and ...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on data collected by C.P. Weibel and A.J. St...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Relief shown by contours and spot heights"Geology based on field work by the authors, 1997-1998.""Di...
Relief shown by contours and spot heightsIncludes text, location map, and index to adjoining quadran...
Relief shown by contours and spot heights"Illinois geology based on field work by R. Jacobson and J....
Relief shown by contours and spot heightsData sheet includes text, 2 col. cross sections, and 1 col....
Relief shown by contours and spot heightsIncludes location map and index to adjoining quadranglesInc...
Relief shown by contours and spot heightsIncludes bibliographical referencesIncludes text and 1 loca...
Relief shown by contours and spot heights"Based on field work and data compilation by S. Panno, B. D...
Relief shown by contours and spot heights"Geology based on field work by F.B. Denny, 2000-2001.""Dig...
Relief shown by contours and spot heights"Geology based on field work and data compilation by S. Pan...
Computer generated mapRelief shown by spot heights and contoursIncludes text, col. ill., cross secti...
Relief shown by contours and spot heights"Geology based on field work by R. Jacobsen, B. Denny, and ...
Relief shown by contours and spot heights"Geology based on field work and data analysis by W.J. Nels...
Relief shown by contours and spot heights"Geology based on data collected by C.P. Weibel and A.J. St...