Oil and Gas Well locations, Upper Colorado River Basin, 2007
Federal onshore lands contain an estimated 20 percent of the oil and 25 percent of the undiscovered 
natural gas resources in the United States (U.S. Bureau of Land Management, 2006) and the BLM 
has identified the Upper Colorado River Basin (UCRB) as an area with high potential for continued 
energy development (U.S. …