Breccia-Pipe Uranium Deposits and Uranium in the Colorado River
April 30, 2011 | Arizona Geological Survey
"The Grand Canyon region contains over 1300 known or suspected breccia pipes, which are vertical,... Mapping Alluvium and Subflow of the San Pedro River
April 27, 2011 | Arizona Geological Survey
"The purpose of these investigations is to document and map the extent of Holocene channel... Oil Shale Resources of the Green River Formation
August 14, 2011 | USGS
USGS has published Assessment of In-Place Oil Shale Resources in the Eocene Green River Formation,... Effects of Climate Change and Land Use on Water Resources in the Upper Colorado River Basin
March 9, 2011 | USGS
"The Colorado River provides water for about 25 million people and is used to irrigate... | 
