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LETTER OF TRANSMITTAL
SUMMARY OF NEWER DREDGING FIELDS IN CALIFORNIA
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acres amalgam annual assays average bedrock bench gravels black sand brick Calaveras California canon cement chromite clay colors Commercial production concentrate copper cost Creek crude cubic foot buckets cubic yards decrease deposits district dredger feet forks of Salmon Geological gold and platinum grade gravel ground Gulch Hayfork hydraulic mining increase industry Inyo iridium Kern Klamath River limestone Location magnesite manganese material Mineral Production mineral resources mineral water Mineralogist Reports Mining Bureau miscellaneous stone Mountains mouth Nevada North Fork nuggets occurs operations Oroville osmiridium osmium ounces of platinum panned placer platinum platinum metals platinum production potash production for 1918 Production of California quartz quicksilver recovered recovery rock Sacramento San Bernardino San Bernardino County Santa saved Sawyers Bar serpentine Shasta County shows silver Siskiyou slate sluice South Fork square miles stream Substance Amount Value terrace Total value Trinity River tungsten upper yield Yuba