Janet E. Schultz

1) Availability of coal resources in Colorado, Somerset coal field, west-central Colorado

Series
Resource volume 38
Publisher
Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources
Pub. Date
2000.

2) Licensed coal mines in Colorado

Author
Jones, David C
Series
Map volume 8
Publisher
Colorado Geological Survey
Pub. Date
1977.

4) Coal resources and development map of Colorado

Author
Jones, David C
Series
Map volume 9
Publisher
Colorado Geological Survey
Pub. Date
1978.

5) Map of licensed coal mines in Colorado as of June 1, 1978

Author
Goolsby, Steven M
Series
Map volume 12
Publisher
Colorado Geological Survey
Pub. Date
1978.