John Duer Irving

May 1, 2018

Geology and Ore Deposits Near Lake City, Colorado (Classic Reprint)

Mar 1, 2013

The Downtown District of Leadville, Colorado

May 1, 2012

Geology and Ore Deposits Near Lake City, Colorado Volume 476-479

May 1, 2012

A Contribution to the Geology of the Northern Black Hills

Mar 1, 2012

Economic Resources of the Northern Black Hills Volume 26-27

Sep 22, 2011

Geology and Ore Deposits Near Lake City, Colorado, Issues 476-479

Jun 15, 2010

Geology and Ore Deposits Near Lake City, Colorado