Data base map / by John M. Rongstad and Quinto J. Lotti. 1991
Bedrock geology / by John M. Rongstad and Paul A. Vogel. 1991
Bedrock topography / by John M. Rongstad and Jesse D. Wohlfeil. 1991
Depth to bedrock / by John M. Rongstad and Jesse D. Wohlfeil. 1991
Bedrock structure Jordan Formation / by John M. Rongstad and Paul A. Vogel. 1991
Bedrock structure St. Lawrence Formation / by John M. Rongstad and Paul A. Vogel. 1991
St. Peter - Prairie du Chien - Jordan aquifer system / by John M. Rongstad. 1991
Franconia - Ironton - Galesville aquifer system / by John M. Rongstad. 1991
Glacial drift aquifer map / by Cis A. Berg and John M. Rongstad. 1991.
