Thomas Jefferson

Gold past producer · San Bernardino County, California

Past ProducerGoldUndergroundUSGS MRDS

Location

StateCalifornia
CountySan Bernardino
Coordinates35.35941, -115.49724

Commodities

PrimaryGold
TertiarySilver

Mine Details

StatusPast Producer
TypeUnderground
Data SourceUSGS MRDS
Source ID10189263
This siteNearby records

Search within 10 miles of here Open in Google Maps

Nearest Recorded Sites

SiteDistanceCommodityStatus
George Washington0.1 miGoldProspect
Patrick Henry0.2 miLeadProspect
Morning Star Mine0.3 miGoldPast Producer
Morning Star0.4 miGoldPast Producer
May, June, July0.7 miSilverProspect
New Era0.9 miGoldPast Producer
New Era0.9 miGoldProspect
New Era Nos. 1 and 20.9 miGoldPast Producer
Kewanee1.0 miGoldPast Producer
New Era1.0 miGoldPast Producer
Bessie1.0 miLeadOccurrence
Kewanee1.0 miGoldProspect

What This Means

This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.

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