Gold Districts of Wyoming - Originally published by the Wyoming Geological Survey in 1980 as Report of Investigations 23 by Dan Hausel. This book gives an introduction, the location, geology and mineral deposits, production, and discusses the Lode Mines, Placer Mines, and Prospects of each district. 18 Districts in all and some outlying prospects and mines not classified with a particular district. Now back in Print by Miningbooks.com