Royalties for Minerals Extracted from Federal Lands
February 17, 2011 | New York Times
The New York Times has an article titled "Federal Royalties for Gold and Copper?". ... Arizona: Land Subsidence Maps
July 7, 2011 | Arizona Department of Water Resources
The Arizona Department of Water Resources has a new set of land subsidence maps and... Investigating Land Subsidence and Earth Fissure Hazards
August 29, 2011 | Arizona Geological Survey
"The Arizona Land Subsidence Interest Group, a cadre of Earth scientists, geotechnicians, and geological engineers,... Arizona Mining Permitting Guide
July 7, 2011 | Arizona Geological Survey
"Permitting mineral exploration or mining in Arizona just got a little clearer, due to the... | 
