Preliminary estimates of coal resources in the Gillette Coalfield affected by the location of the Burlington Northern/Union Pacific Joint Mainline Railroad [electronic resource] / by Timothy J. Rohrbacher ... [et al.].
Mode of access: Internet from the USGS web site. Address as of 9/20/07: http://pubs.usgs.gov/of/2006/1206/pdf/OF06-1206_508.pdf; current access via PURL.
Note
Title from PDF title screen (viewed on July 25, 2006).
