Author: Geological Survey (U.S.) / Subject: Historic sites - Yale University Library GeoBlacklight Search Results

Start Over Author Geological Survey (U.S.) Subject Historic sites

1. Historic trail map of the Greeley 1⁰ x 2⁰ quadrangle, Colorado and Wyoming

1993. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Colorado, Greeley Region, and Front Range (Colo. and Wyo.).

2. Historic trail map of the Leadville 1⁰ x 2⁰ quadrangle, central Colorado

2004. 2005-03-07T16:30:49Z. 2011-03-03T23:30:30Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by USGS Geological Services. English. Public. Colorado, Leadville Region, and Leadville Region (Colo.).

3. Historic trail map of the Trinidad 1° x 2° quadrangle, southern Colorado [cartographic material]

2001. 2002-06-01T04:00:00Z. 2016-07-27T21:14:04Z. Geological Survey (U.S.). U.S. Geological Survey ; Information Services [distributor]. English. cartographic image. Public. Colorado, Trinidad Region, Trinidad Region (Colo.), Colorado., and Trinidad Region.