Author: Sheppard, Richard A. - Yale University Library GeoBlacklight Search Results

1. Geology of the Argillite quadrangle, Kentucky / [cartographic material]

1962. 2011-05-10T18:30:22Z. 2012-02-14T23:33:22Z. Sheppard, Richard A. U.S. Geological Survey. English. Public. Kentucky, Greenup County, Boyd County, and Carter County.

2. Geology of the Portsmouth quadrangle, Kentucky-Ohio, and parts of the Wheelersburg and New Boston quadrangles, Kentucky [cartographic material]

1964. 2011-06-15T19:41:52Z. 2012-02-14T23:38:41Z. Sheppard, Richard A. U.S. Geological Survey. English. Public. Kentucky, Greenup County, Ohio, and Scioto County.

3. Geology of the Tygarts Valley quadrangle, Kentucky [cartographic material]

1964. 2011-06-07T20:17:56Z. 2012-02-13T19:47:55Z. Sheppard, Richard A. U.S. Geological Survey. English. Public. Kentucky, Greenup County, and Carter County.