TY - BOOK AU - Pratt,Walden P. ED - Arkansas Resources and Development Commission. TI - Regional potential of selected Paleozoic carbonate units in the northern midcontinent for undiscovered Mississippi Valley-type deposits U1 - 553.440977 PY - 1995/// CY - Washington, D.C. PB - United States Government Printing Office KW - Zinc ores KW - Middle West KW - Lead ores KW - Rocks, Carbonate KW - Geology, Stratigraphic KW - Paleozoic N1 - Three folded maps in pocket; Includes bibliographical references (p. 12-14) ER -