Coal geology and coal, oil, and gas resources of the Erie and Frederick Quadrangles, Boulder and Weld Counties, Colorado
By: by Frank D. Spencer.
Series: U.S. Geological Survey bulletin ;; 1619
Publisher: U.S. G.P.O.
Published: 1986
Place of publication: Washington
Language: eng
Number of pages: 50
Subjects: Coal -- Colorado -- Boulder County.; Coal -- Colorado -- Weld County.; Petroleum -- Colorado -- Boulder County.; Petroleum -- Colorado -- Weld County.; Natural gas -- Colorado -- Boulder County.; Natural gas -- Colorado -- Weld County.
Notes: Bibliography: p. 37-38.
Issued in portfolio (28 cm.) with 7 folded maps in pocket.