Bedrock Geologic Map Showing the Configuration of the Bedrock Surface, McCook 1x2-degree Quadrangle, Nebraska and Kansas, and part of the Sterling 1x2-degree Quadrangle, Nebraska and Colorado (GMC-25)

Bedrock Geologic Map Showing the Configuration of the Bedrock Surface, McCook 1x2-degree Quadrangle, Nebraska and Kansas, and part of the Sterling 1x2-degree Quadrangle, Nebraska and Colorado (GMC-25) (USGS Map I-1878): Eversoll, D. A., Dreeszen, V. H., Burchett, R. R., Prichard, G. E. (1:250,000; 1988). Size 36" x 23". Description: Color map comes folded in accompanying manilla envelope.