388 pages : illustrations, xxxxviii plates (some folded, including maps) ; 24 cm
Includes index.
The Forsyth coal field, Rosebud, Treasure, and Big Horn counties, Montana--The Kevin-Sunburst oil field and other possibilities of oil and gas in the Sweetgrass arch, Montana--Geology and coal resources of the Meeker quadrangle, Moffat and Rio Blanco counties, Colorado--Geology and oil resources along the southern border of San Joaquin Valley, California