Karen A Vendl

Mining historians and authors Karen A. Vendl and Mark A. Vendl are retired geologists with a lifelong interest in Colorado history. The San Juan County Historical Society provided the majority of the images for this book. Duane A. Smith is a retired professor of history at Fort Lewis College and the author of numerous books on Colorado and mining history.

Mining historians and authors Karen A. Vendl and Mark A. Vendl are retired geologists with a lifelong interest in Colorado history. The San Juan County Historical Society provided the majority of the images for this book. Duane A. Smith is a retired professor of history at Fort Lewis College and the author of numerous books on Colorado and mining history. See less