Ronald K. Churchill
California Geol Survey, Sacramento, CA
Activity
2005
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PERSPECTIVES ON MERCURY CONTRIBUTIONS TO WATERSHEDS FROM HISTORIC MERCURY MINES AND NON-MINE MERCURY SOURCES: EXAMPLES FROM THE SULPHUR CREEK MINING DISTRICT
46 The Hydrobiogeochemical Cycle of MercurySunday, 1 May 20051:00 PM - 5:20 PM
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GUIDELINES FOR GEOLOGIC INVESTIGATIONS OF NATURALLY OCCURRING ASBESTOS IN CALIFORNIA
41 Engineering and Environmental Geology (Posters)Sunday, 1 May 20059:00 AM - 5:00 PM
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GEOLOGY OF NATURALLY OCCURRING ASBESTOS IN CALIFORNIA
3 Naturally Occurring Asbestos Hazards: Geology, Regulatory Issues, and Methods of Identification and Assessment IFriday, 29 April 20058:10 AM - 12:00 PM
2003
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LESSONS LEARNED FROM THE CALIFORNIA GEOLOGICAL SURVEY'S RECENT ACTIVITY TO DEVELOP GUIDELINES FOR NATURALLY OCCURRING ASBESTOS INVESTIGATIONS
129 Environmental Geoscience ITuesday, 4 November 20038:00 AM - 12:00 PM