1979. 2012-06-13T13:50:10Z. 2012-06-20T14:07:31Z. Lindvall, Robert M. (Robert Marcus), 1916-. U.S. Geological Survey. English. Public. Colorado, Adams County, Denver County, and Jefferson County.
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1980. 2012-06-26T14:08:47Z. 2012-07-05T13:03:31Z. Lindvall, Robert M. (Robert Marcus), 1916-. The Survey. English. Public. Colorado, Adams County, and Denver County.
3. Geologic map of the Sable quadrangle, Adams and Denver Counties, Colorado [cartographic material]
1983. 2012-06-27T19:45:35Z. 2012-07-05T13:04:21Z. Lindvall, Robert M. (Robert Marcus), 1916-. The Survey. English. Public. Colorado, Adams County, and Denver.