Forstner, William, California State Mining Bureau · Sacramento, Calif. : W.W. Shannon, supt. of State printing · leaf 170
is, however, to the north. … /^ -longing tTa//^ -foor Wa// Fig 48. The ore makes as a rule in a more or less metamorphicsandstone, but occasionally in metamorphic shale. This depositis strongly marked at the surface by a line of very bold crop-pings, in places standing out over 100 feet above the hillside.The general course of…
Mercury mines and mining · Mines and mineral resources · Mercury ores
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