The data below represent everything available in the MBMG Abandoned and Inactive Mines (AIM) database.

Sites Table
AIM Id Name Alternate Name District County
BE008382 KEYSTONE UPPER WORKINGS BEAVERHEAD
MRDS AMLI MILS Latitude Longitude Datum
45.7506 -112.9139
Township Range Section QSection UTM Northing UTM Easting UTM Zone UTM Datum
01S 11W 13 BCDC
Average Elevation Elev Units Land Owner 250K Quad 100K Quad 24K Quad
F NF DILLON BUTTE SOUTH WISE RIVER
Property Type Update Date Who Updated
LODE MDK
Agency Info Table
Information
Agency: NF
Region District: R1
Ranger District:
Forest Service Tract:
Watershed Code: 10020004
Forest or Resource Area: BEAVERHEAD
Owner:
Impact:
Report: The Keystone consist of an inclined shaft, one open adit, and a number of caved works and prospect pits. The deposit is a bedding plane vein, striking N 77° W, dipping 47° NE, in Jefferson Limstone. The vein in one of the wokings is 0.6 to 0.9 m ( 2 to 3 ft.) wide (Geach, 1972).
Screening Criteria Table
Information
Mill Tailings:
Adit Discharge:
Metal Leaching:
Water Erosion:
Residence:
Hazardous Materials:
Open Adit:
Visit: Y
Comments: PHOTOS 44- 3; 4.
Rank Table
Information
Investigator: M. KERSCHEN
Date: 8/14/1997
Photos Available?:
Access:
Nearest Wetlands/Bog:
Drainage Basin:
Water Contact Stream:
Nearest Surface Water Intake:
Number of Surface Water Intake(s) observed within 15 miles downstream:
Uses of Surface Water Intake(s) observed within 15 miles downstream:
Nearest Wells (miles):
Number of Wells within 4 miles:
Uses of Wells within 4 miles:
Nearest Dwelling (miles):
Number of Months Occupied:
Number of Houses within 2 miles:
Recreational Usage on Site:
Nearest Recreational Area (miles):
Name or Type of Recreational Area:
Safety Risk from Open Adit/Shaft:
Safety Risk from Highwall or Unstable Slopes:
Safety Risk from Unstable Structures:
Safety Risk from Chemicals:
Safety Risk from Solid Waste (includes sharp rusted items):
Safety Risk from Explosives:
Sensitive Environments within 2 miles of Site or 15 miles Downstream:
Population within 0-0.25 miles:
Population within 0.25-0.5 miles:
Population within 0.5-1 miles:
Population within 1-2 miles:
Population within 2-3 miles:
Population within 3-4 miles:
Public Interest:

End of report. Retrieved 5/1/2024 10:38:03 PM.

The preceding materials represent the contents of the databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user at the time and date of the retrieval. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. There may be data in the request area that are not recorded at the Bureau.