Jumbo No. 3

The Jumbo No. 3 is a silver mine located in Dolores county, Colorado at an elevation of 9,701 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Jumbo No. 3
Secondary: Rico Argentine
Secondary: San Juan National Forest

Commodity

Primary: Silver

Location

State: Colorado
County: Dolores
District: Pioneer/Rico

Land Status

Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Rico Development Corp.
Percent: 100.0
Home Office: Colorado
Info Year: 1989

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Reserve-Resource): CAVED SHAFT, 30 FT OPEN IN 1989, ABOPUT 357,750 FT^3 OF DUMP MATERIAL, SAMPLE # 432-433, 0.07 OZ/TON GOLD, 4.4 OZ/TON SILVER (22,400 TONS OF DUMP MATERIAL).

References

Reference (Deposit): OWN/OP: RICO ARGENTINE

Reference (Deposit): UNDERGROUND WORKING OF ENTERPRISE MINE

Reference (Deposit): US BUREAU OF MINES OPEN FILE REPORT MLA 2-92

Colorado Mining Photos

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.