Martin and Murphy Claim

OccurrenceManganeseUSGS MRDS

Location

StateCalifornia
CountyHumboldt
Coordinates40.40204, -123.64442

Commodities

TertiaryManganese

Mine Details

StatusOccurrence
Discovery Year1918
Data SourceUSGS MRDS
Source ID10163480

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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