TY - RPRT TI - Leasable mineral and waterpower land classification map of the Cortez quadrangle, Colorado, Utah: Lands withdrawn, classified, and prospectively valuable for leasable minerals, occurrences of other selected minerals, and lands withdrawn or classified for waterpower and reservoir sites AU - Eileen M. Pera AU - E. G. Allen AU - Gale Alex Lutz PY - 1977 DO - 10.3133/ofr77603 UR - https://pubs.usgs.gov/publication/ofr77603 ID - ofr77603 ER -