Author: Maberry, John O., 1935- / Subject: Excavation / Year: 1972 - Yale University Library GeoBlacklight Search Results

Start Over Author Maberry, John O., 1935- Subject Excavation Year 1972

1. Map showing relative excavatability of geologic materials in the Parker quadrangle, Arapahoe and Douglas Counties, Colorado [cartographic material]

1972. 2013-02-21T19:26:13Z. 2013-03-18T22:37:26Z. Maberry, John O., 1935-. U.S. Geological Survey. English. Public. Colorado, Arapahoe County, and Douglas County.

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1. Map showing relative excavatability of geologic materials in the Parker quadrangle, Arapahoe and Douglas Counties, Colorado [cartographic material]

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