Peculiar markings resembling burrow in the fine mud rock of the Wills Creek shale. Washington County, Maryland. 1911.
Dates
Date Taken
1911
Summary
Peculiar markings resembling burrow in the fine mud rock of the Wills Creek shale, exposed in the Western Maryland Railway cut 1 mile east of Great Cacapon. Narrow light colored bands or filled channels lead diagonally downward across the mud-rock layer. Washington County, Maryland. 1911. Plate 18 in U.S. Geological Survey. Folio 179. 1912.
Summary
Peculiar markings resembling burrow in the fine mud rock of the Wills Creek shale, exposed in the Western Maryland Railway cut 1 mile east of Great Cacapon. Narrow light colored bands or filled channels lead diagonally downward across the mud-rock layer. Washington County, Maryland. 1911. Plate 18 in U.S. Geological Survey. Folio 179. 1912.
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