Mine Cited for Orange Sludge in Arizona Waterways
(Brenna GOTH, azentral.com; October 14, 2014)
http://www.azcentral.com/story/news/local/arizona/2014/10/14/arizona-mine-cited-orange-sludge-waterways/17268221/
Patagonia Residents on Alert after Abandoned Mines Found Leaking Sludge
(Sona WASU, Tucson News Now; October 15, 2014)
http://www.tucsonnewsnow.com/story/26799656/patagonia-residents-on-alert-after-abandoned-mines-found-leaking-sludge
Arizona Department of Water Quality – Water Quality Division
Monitoring and Assessment: Total Maximum Daily Load (TMDL) Program
http://www.azdeq.gov/environ/water/assessment/tmdl.html
U. S. Geological Survey (USGS)
Lead Queen Mine (Pinal County, AZ)
http://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10048321
Trench Mine (Santa Cruz County, AZ)
http://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10186789
Trench and Josephine Mine Group (Santa Cruz County, AZ)
http://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10048334
Article:
Understanding Metal Pathways in Mineralized Ecosystems (BALISTRIERI et al., 2007)
http://pubs.usgs.gov/circ/2007/1317/C1317.pdf
C. Mei-Ling HAMILTON - Environmental Geochemistry Issues 