http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and oil shale resources of the Heath Formation, Fergus County, Montana
vi, 100 pages : illustrations, maps (some color) ; 28 cm. + 1 map + 1 chart
by Pamela Dunlap Derkey [and others] ; prepared in cooperation with the U.S. Geological Survey.
One col. map and 1 chart on 2 folded leaves in pocket.
Memoir (Montana Bureau of Mines and Geology) ; 57