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<br />I , <br />6. The 1983 report entitled "Subsidence Potential at the <br />Schwartzwalder Mine, Golden, Colorado" by Steven Taylor. <br />7. The 1983 report entitled "Studies on Leach Potential of <br />Waste Rock at the Schwartzwalder Mine" by Cotter <br />Corporation. <br />8. The 1984 report entitled "Effects of Runoff or Seepage <br />from the Schwartzwalder Mine Waste Rock Piles o~n the <br />Water quality of Ralston Creek, Jefferson Count:r, <br />Colorado" by Robert Otto, consultant. <br />9. The 1993 and 1994 Monitoring Reports submitted i.o the <br />Radiation Control Division, Colorado Department of Public <br />Health and the Environment under Cotter Corporation's <br />Radioactive Materials License. <br />It should also be noted that the Radiation Control Divisi~~n of the <br />Colorado Department of Public Health and the Environment holds an <br />approximately $2.1 million bond on the ore sorter facilit~~ and the <br />water treatment on site. These two facilities are closely <br />monitored by the Radiation Control Division as part of Cotter <br />Corporation's Radioactive Materials License. The Division is in <br />the process of recalculating the reclamation bond for the site <br />excluding the ore sorter facility and the water treatment: plant. <br />If you should have any questions concerning this finding by the <br />Division, please Contact me, Carl Mount or Bruce Humphries. <br />Since ely, <br />~~G~~ <br />William C. or Feirn <br />Environmental Protection Specialist <br />cc: Tim Pierce, Cotter Corporation, Schwartzwalder Mine <br />Bruce Humphries, DMG <br />Carl Mount, DMG <br /> <br />c:\wp51\swalder.ltr <br />