Cowboy Johnson Adit
The Cowboy Johnson Adit is near Creede, Colorado. Historically the site has been associated with the Creed Mining District which is now part of the Rio Grande National Forest. The Cowboy Johnson Adit is a underground mining operation. Initial production took place in 1979. Associated rock in this area is rhyolite from the Oligocene epoch 33.90 to 23.03 million years ago. The Southern Rocky Mountains physiographic province of the Rocky Mountain System characterize the geomorphology of the surrounding area.
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S-T-R, LAT-LONG, AND ELEV DETERMINED FROM EMMONS AND LARSEN'S (1923) TOPO MAP (1:24, 000 ). MINE OR CLAIM LIES ALONG RAT CREEK LAT-LONG GIVEN IS NW CORNER SECTION 35.; INFO FROM LAND. ST : (1976).
Formal or informal mining district names.
APPARENT REFURBISHING OF TUNNEL
ONE TUNNEL OF UNKNOWN LENGTH
Geological materials at the site.
Geologic structural features affecting or characterizing the site or mine.
Tectonic setting in which the site or deposit is situated.
Physiographic area where the resource is found.
Other deposits in the same region.
North Star Claim
White Star Mine
Park Regent Mine
Happy Thought Mine
Syble R. Silver Mine
Porphry Silver Mine
Kanawha Silver Mine
* Mine bounds on map indicate the general area that a mine occupies. For an detailed map, refer to the overseeing BLM field office.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself.
1 World-class significance is determined by total endowment of the contained commodity. This includes all past production and remaining reserves. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. The tonnage thresholds are from the mine model grade-tonnage studies. As of June 2008, many entries were classified as significant under less strict rules.
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EXACT LOCATION UNCERTAIN AND NOT CONSISTENTLY REPORTED, TUNNEL COULD BE ON EAST SIDE OF RAT CREEK IN NW/4 SECTION 35 OR COULD BE NEAR OR AT CORSAIR MINE IN SECTION 34. ALPHA CORSAIR NOTED AS SYNONYM IN COLO. DIV. MINES FILES BUT REPORTS LOCATION AS 1. 25 MILE UP RAT CREEK, WHICH PLACES IT IN SECTION 27, POSSIBLY AT OLD SUNNYSIDE TUNNEL. MILS CITES LOCATION AS E/2 SECTION 33, BUT THIS IS DOUBTFUL.; INFORMATION SOURCE: 1 PUB LIT.