Author: Spengler, Richard W. - Yale University Library GeoBlacklight Search Results

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1. Geologic map of the Salyersville south quadrangle, Magoffin and Breathitt counties, Kentucky [cartographic material]

1977. 2012-06-04T18:02:27Z. 2012-06-13T15:03:56Z. Spengler, Richard W. U.S. Geological Survey. English. Public. Kentucky, Magoffin County, Breathitt County, and U.S.

2. Geologic map of the Seitz quadrangle, eastern Kentucky [cartographic material]

1978. 2012-06-06T18:28:18Z. 2012-06-13T15:04:55Z. Spengler, Richard W. U.S. Geological Survey. English. Public. Kentucky, Magoffin County, and Breathitt County.

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