1. Single Site & Multi-site NHDPlus Aquatic Areas of Review
Examples based on materials for the Molycorp Questa Mine Area in New Mexico
William Cooter December 2010

2. Molycorp Questa Mine Area in New Mexico

3. Carson National Forest & Molycarp Questa Mine Area

4. Nordstrom, D. Kirk A River on the Edge: Water Quality in the Red River and the USGS Background Study. In Mining in New Mexico: The Environment, Water, Economics, and Sustainable Development L. Greer Price, Douglas Bland, Virginia T. McLemore, and James M. Barker, Editors, pp Environmental and Water Quality Issues: Decision-makers Field Conference 2005, Taos Region, New Mexico Bureau of Geology and Mineral Resources, Santa Fe, NM.

5. Slifter, Dennis Red River Groundwater Investigation Final Report. Project 92-a (Funded in part by a 319(h) Grant from the USEPA). New Mexico Environment Department, Surface Water Quality Bureau, Santa Fe, NM.
Molycorp Questa Mine Area

6. Molycorp Questa Mining Area
The Questa mine in Taos County, New Mexico, now owned by Molycorp, began production in 1918 of molybdenum disulfide ore from underground mines. Open pit development
began in 1964 and continued until 1982 by which time some 350 million tons of overburden had been removed and 81 million tons of ore had been mined. The overburden and waste rock was deposited onto steep mountain slopes and into tributary valleys immediately above and along the Red River. In 1983 the mine went back underground using block caving methods.

7. Active Underground Mining Site and Town of Questa to the West

8. Active Underground Site in the Molycorp Quest Mining Area

9. Aq-AOR Related to Active Mining Site on Red River
Consider possibility of more complex Aq-AOR configurations if mining disturbances involving reaches in the Cimarron subbasin

10. Consider possibility of more complex configurations for disturbances on reaches in the Cimarron subbasin

11. Single Site & Multi-site NHDPlus Aquatic Areas of Review
Examples based on materials for the Molycorp Questa Mine Area in New Mexico
William Cooter December 2010