editors Sheila Roberts, Don Winston ; prepared and published by the University of Montana, Missoula ; Western Montana College of the University of Montana, Dillon
edited by Colin A. Shaw, Department of Earth Sciences, Montana State University, Bozeman, Montana 59717, USA, Basil Tikoff, Department of Geoscience, University of Wisconsin. 1215 W. Dayton Street, Madison, Wisconsin 53706, USA
by U.S. Geological Survey Headwaters Province Project Team ; Karen Lund, scientific editor ; prepared in cooperation with the U.S. Department of Agriculture (USDA) Forest Service