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Continue to ChatCooley Sand and Gravel Company Pit Map - Denver County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-1693676-cooley-sand-and-gravel-company-pit
Cooley Sand and Gravel Company Pit Map - Denver County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-1693676-cooley-sand-and-gravel-company-pit