Geology of the lower Yellow Creek area, northwestern Colorado /
by William J. Hail, Jr.

APA Citation

Hail, W. J. (William James)., Geological Survey (U.S.). (1990). Geology of the lower Yellow Creek area, northwestern Colorado. Washington: U.S. G.P.O. .

MLA Citation

Hail, William J. (William James), Jr., 1922-, and Geological Survey (U.S.). Geology of the Lower Yellow Creek Area, Northwestern Colorado. Washington: U.S. G.P.O. , 1990.

Warning: These citations may not always be complete (especially for serials).