APPROXIMATELY LOCATED IN OR AROUND THE SILVER PEAK MARSH MINING DISTRICT; PAPKE INDUSTRIAL MINERALS FILES; U.S.GEOLOGICAL SURVEY OPEN-FILE REPORT 82-415; U.S.GEOLOGICAL SURVEY BULLETIN 1622; HANDWRITTEN NOTES; GEOLOGY; GEOCHEMISTRY; LOGS; DRILL PROJECT REPORT; CLIPPINGS FROM OTHER U.S.GEOLOGICAL SURVEY PUBLICATIONS; COPYRIGHTE; SITE NAME: CLAYTON VALLEY, LEPRECHAUN MINING CO., FOOT MINERAL CO.; COMMODITY: LITHIUM; AUTHOR: PANTEA, M.P.; ASHER-BOLINDER, S.; KUNASZ, A.; DAVIS, J.R.; VINE, J.D.; FRIEDMAN, I.; GLEASON, J.D.