@article{122154, author = {Segerstrom, Kenneth, and Young, Edward J. and Pipiringos, G. N.}, url = {http://library.usi.edu/record/122154}, title = {General geology of the Hahns Peak and Farwell Mountain quadrangles, Routt County, Colorado,}, publisher = {U.S. Govt. Print. Off.,}, recid = {122154}, pages = {v, 63 p. :}, address = {Washington,}, year = {1972}, }