Author: Waldrop, Henry A. - Yale University Library GeoBlacklight Search Results

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1. Geologic map of the Blackey quadrangle, Letcher and Knott counties, Kentucky [cartographic material]

1976. 2012-05-23T17:32:05Z. 2012-06-07T16:54:51Z. Waldrop, Henry A. U.S. Geological Survey. English. Public. Kentucky, Knott County, and Letcher County.

2. Surficial geologic map of the Madison Junction quadrangle, Yellowstone National Park, Wyoming

1975. 2012-11-07T19:28:05Z. 2012-11-07T19:28:05Z. Waldrop, Henry A. Dept. of the Interior, U.S. Geological Survey. English. Public. Yellowstone National Park.

3. Surficial geologic map of the Old Faithful quadrangle, Yellowstone National Park, Wyoming

1975. 2012-11-07T14:43:23Z. 2012-11-07T14:43:23Z. Waldrop, Henry A. Dept. of the Interior, U.S. Geological Survey. English. Public. Yellowstone National Park.

4. Surficial geologic map of the West Yellowstone quadrangle, Yellowstone National Park and adjoining area, Montana, Wyoming, and Idaho

1975. 2012-11-07T14:38:41Z. 2012-11-07T14:38:41Z. Waldrop, Henry A. Dept. of the Interior, U.S. Geological Survey. English. Public. Montana, Gallatin County, Idaho, Fremont County, and Yellowstone National Park.

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