Author: Marr, John W. (John Winton), 1914- - Yale University Library GeoBlacklight Search Results

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1. Vegetation map of the Colorado Springs-Castle Rock area, Front Range Urban Corridor, Colorado [cartographic material]

1979. 2013-06-13T13:48:52Z. 2013-06-26T19:51:05Z. Marr, John W. (John Winton), 1914-. U.S. Geological Survey. English. Public. Colorado, Douglas County, El Paso County, and Elbert County.

2. Vegetation map of the greater Denver area, Front Range Urban Corridor, Colorado [cartographic material]

1979. 2013-05-30T20:12:36Z. 2013-06-14T17:58:36Z. Marr, John W. (John Winton), 1914-. U.S. Geological Survey. English. Public. Colorado and Denver Metropolitan Area.

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