Depositional environment, stratigraphy, and vertical hydraulic conductivity of the St. Francois confining unit in the Fristoe Unit of the Mark Twain National Forest, Missouri / by Michael J. Kleeschulte and Cheryl M. Seeger ; in cooperation with the U.S. Dept. of Agriculture, Forest Service ... [et al.].
Rolla, Mo. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 2000.