TY - RPRT TI - Leasable mineral and waterpower land classification map of the Sterling 1° x 2° quadrangle, Colorado, Nebraska, and Kansas: Lands withdrawn, classified and prospectively valuable for leasable minerals; occurrences of other selected minerals; and lands withdrawn or classified for waterpower and reservoir sites AU - Elizabeth G. Allen AU - T. R. Flot PY - 1980 DO - 10.3133/i1224 UR - https://pubs.usgs.gov/publication/i1224 ID - i1224 ER -