Books by Christopher J. Carroll
Colorado coal directory 2005
Colorado coal directory 2005
2003 summary of coal resources
2003 summary of coal resources in Colorado
Available coal resources of th
Available coal resources of the Williams Fork Formation in the Yampa coal field, Routt and Moffat Counties, Colorado
Colorado coal directory 2000
Colorado coal directory 2000
Demonstrated reserve base for
Demonstrated reserve base for coal in Colorado