Record Potash Contract?
November 1, 2012 | Arizona Geology
Prospect Global Resources has a contract to supply over $2 billion of potash to China's... Arizona Mining Review
April 25, 2013 | Arizona Mining Review
The next Arizona Mining Review features an interview with Dorothy Kosich of MineWeb.com on the... Arizona Mining Review Episode 3
March 21, 2013 | Arizona Geological Survey
Arizona Mining Review is a live, online video magazine from the Arizona Geological Survey exploring... Arizona: Holbrook Basin Potash
February 20, 2012 | AZJournal.com
A shallow deposit of high-grade potash near Holbrook, Arizona is attracting attention the attention of... Mine Subsidence in Illinois
October 9, 2012 | Illinois Geological Survey
"About 840,000 acres of Illinois land have been undermined for coal and other minerals. About... San Manuel Copper Mine
March 23, 2012 | ArizonaExperience.org
ArizonaExperience.org takes a look back at the San Manuel Copper Mine (once the largest underground... The Value of Potash In the Ground
February 26, 2013 | Arizona Geology Blog
The Arizona Geology Blog has an interesting post about how potash deposits in the Holbrook... Interactive Map: Historic Illinois Coal Mining
October 9, 2012 | Illinois Geological Survey
The Illinois Geological Survey has published a Google map that allows you to zoom in... | 
