Ground water near Pella and in selected parts of Jasper, Mahaska, and Marion counties, Iowa

MLA

Caldwell, James P., Eric M. Sadorf and Geological Survey (U.S.). Ground water near Pella and in selected parts of Jasper, Mahaska, and Marion counties, Iowa. Iowa City, Iowa : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

APA

Caldwell, J., Sadorf, E. & Geological Survey (U.S.). (2002). Ground water near Pella and in selected parts of Jasper, Mahaska, and Marion counties, Iowa. Iowa City, Iowa : U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago

Caldwell, James P., Eric M. Sadorf and Geological Survey (U.S.). Ground water near Pella and in selected parts of Jasper, Mahaska, and Marion counties, Iowa. Iowa City, Iowa : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.