Map showing potential sources of gravel and crushed-rock aggregate in the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado [cartographic material]

Author:: Colton, Roger B. (Roger Burnham), 1924-
Publisher:: U.S. Geological Survey
Subject:: Gravel
Spatial Coverage:: Colorado, Boulder County, Larimer County, and Weld County
Language:: English
Year:: 1974
Date Issued:: 2013-05-28T15:54:15Z
Date Modified:: 2013-06-14T17:58:03Z
Library Catalog Record:: https://search.library.yale.edu/catalog/11396331
Digital Collections Record:: No Digital Collections record

Map showing potential sources of gravel and crushed-rock aggregate in the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado [cartographic material] Yale Public content