| Leasable mineral and waterpower land classification map of the Limon Quadrangle, Colorado, Kansas |
Allen, E.G.; and Flot, T.R. |
U.S. Geological Survey, Open-file Report no. 77-854, 1 sheet, scale 1:250,000 |
1977 |
N/A
|
| Leasable mineral and waterpower land classification map of the Sterling 1 [DEG] by 2 [DEG] Quadrangle, Colorado, Nebraska, and Kansas |
Allen, E.G.; and Flot, T.R., (compls.) |
U.S. Geological Survey, Miscellaneous Investigations Series Map no. I-1224, 1 sheet, scale 1:250,000 |
1980 |
N/A
|
| Leasable mineral and waterpower land classification map of the Sterling Quadrangle, Colorado, Nebraska, and Kansas |
Allen, E.G.; and Flot, T.R. |
U.S. Geological Survey, Open-file Report no. 77-856, 1 sheet, scale 1:250,000 |
1977 |
N/A
|