ISBN-13: 9781495911262 / Angielski / Miękka / 2014 / 146 str.
ISBN-13: 9781495911262 / Angielski / Miękka / 2014 / 146 str.
The purpose of this report is to summarize geology, coal resources, and coal reserves in the Montana Powder River Basin (MTPRB) assessment area in southeastern Montana. This report represents the fourth assessment area within the Powder River Basin to be evaluated in the continuing U.S. Geological Survey regional coal assessment program.