Greenfield Tunnel

Uranium past producer · Park County, Colorado

Past ProducerUraniumSurfaceUSGS MRDS

Section

What kind of site this is
ORE · URANIUMBENCHESSECTION · ILLUSTRATIVE

Drawn as an open-pit mine, dug down in benches from the surface. The ore color stands for uranium. Federal records note the kind of operation and its status, not its depth or layout, so this is a typical example rather than a survey of this site.

Location

StateColorado
CountyPark
Coordinates39.28249, -106.16061

Commodities

PrimaryUranium
TertiaryGold

Mine Details

StatusPast Producer
TypeSurface
Data SourceUSGS MRDS
Source ID10288012
This siteNearby records

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Nearest Recorded Sites

SiteDistanceCommodityStatus
Imperial0.1 miUraniumPast Producer
Blanchard0.2 miUraniumPast Producer
Aetna0.2 miUraniumPast Producer
South London0.3 miGoldProducer
Fraction0.3 miUraniumPast Producer
North London Mine0.5 miGoldOccurrence
Vienna0.5 miUraniumPast Producer
Lulu Ibex0.5 miLeadPast Producer
New York0.6 miSilverPast Producer
Venture0.6 miUraniumPast Producer
Mosquito Mining District0.6 miGoldPast Producer
Cornish Wall0.7 miUraniumPast Producer

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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