Addendum to Cultural resource inventory and evaluation of selected abandoned coal mines in the Fort Union formation of eastern Montana, 1987
Subtitle: the Lyon Coal Mine, Richland County, Montana
By: for the Montana Department of State Lands by GCM Services, Inc
Contributors: Montana. Dept. of State Lands
Publisher: GCM Services
Published: 1989
Place of publication: Butte, Mont
Language: eng
Other titles: Cultural resource inventory and evaluation of selected abandoned coal mines in the Fort Union formation of eastern Montana, 1987 :
Notes: "June 1989."

Includes bibliographical references.