John K Hardie

1) Clastic dikes intruding Cretaceous coals of western Colorado

Author
Hardie, John K
Series
Bulletin volume 53
Publisher
Colorado Geological Survey
Pub. Date
1999.

2) Geologic map and coal measures of the Axial quadrangle, Moffat and Rio Blanco counties, Colorado

Author
Hardie, John K
Series
Open file report volume 97-5
Publisher
Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources
Pub. Date
1997.