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Robert F. Diffendal, Jr., Publications

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Keystone Quadrangle, Keith County, Nebraska, Robert F. Diffendal Jr. Jul 1976

Keystone Quadrangle, Keith County, Nebraska, Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

7.5' topgraphic quadrangle showing exposures of bedrock formations and other geologic information.

41° 07'30" to 41° 15'

101° 30' to 101° 37'30"

Scale 1:24,000

Completed July 16, 1976

High resolution .tif file (130 MB) attached below as supplemental file