Compromise

The Compromise is a lead mine located in Cascade county, Montana at an elevation of 5,781 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: Compromise
Secondary: Moulton Group
Secondary: Compromise Claim

Commodity

Primary: Lead
Tertiary: Silver
Tertiary: Zinc

Location

State: Montana
County: Cascade

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

Not available

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: Northern 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 (Environmental Factors): NO MILL TAILINGS WERE OBSERVED AT THIS SITE DURING THE INVESTIGATION. TWO DISCHARGING ADITS AND ONE DISCHARGING SHAFT WERE IDENTIFIED. MAXIMUM CONTAMINANT LEVELS FOR CADMIUM AND NICKEL WERE EXCEEDED IN THE SHAFT DISCHARGE. INTERMITTENT COMPROMISE GULCH FLOWED DIRECTLY THROUGH THE SITE. DOWNSTREAM IRON, MANGANESE, NICKEL, AND ZINC CONCENTRATIONS WERE ELEVATED AT LEAST THREE TIMES THE UPSTREAM CONCENTRATIONS, BUT WERE NOT SIGNIFICANTLY ELEVATED IN THE SOURCE SAMPLES AND THUS NOT DIRECTLY ATTRIBUTABLE TO THIS SITE. AN OBSERVED RELEASE TO COMPROMISE GULCH WAS DOCUMENTED FOR ARSENIC (SEDIMENT). ONE POTENTIALLY HAZARDOUS MINE OPEN (SHAFT #1, FENCED) WAS IDENTIFIED AT THE SITE.

References

Reference (Deposit): MONTANA DEPARTMENT OF STATE LANDS. ABANDONED HARDROCK MINES

Reference (Deposit): PRIORITY SITES, SUMMARY REPORT, MARCH 1994, P. 5-32.

Reference (Deposit): U.S. BUREAU OF MINES IC 7589, 1951, P. 23-24.

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.