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

Sites Table
AIM Id Name Alternate Name District County
BW000759 UPPER AVALANCHE CREEK BACKER/MISSOURI BROADWATER
MRDS AMLI MILS Latitude Longitude Datum
300070349 46.7133 -111.4872
Township Range Section QSection UTM Northing UTM Easting UTM Zone UTM Datum
11N 02E 16 5173205 462759 12
Average Elevation Elev Units Land Owner 250K Quad 100K Quad 24K Quad
F WHITE SULPHUR CANYON FERRY DM WHITES CITY
Property Type Update Date Who Updated
PLACER
Commodities Table
Commodities Identified
GOLD
Agency Info Table
Information
Agency: NF
Region District: R1
Ranger District: HELENA
Forest Service Tract:
Watershed Code: 10030101
Forest or Resource Area: HELENA
Owner: N
Impact:
Report: Lyden (1948) quoted Pardee as estimating production to be at least $100,000 but no production recorded after 1904. Listed as developing in 1990 (McCulloch, 1991) and operating in 1991 by Steve Adams, Townsend (McCulloch, 1992). Production 50-60 cu yd per day from an open cut by trommel and sluice; 2.5 to 1 stripping ratio; 4 ft pay; 8 ft-10 ft overburden.
Mines Table
Type Condition Ground Water Photos Available? Photo Numbers Ownership Comments
P01 RECLAI PRV OPEN CUT PLACER. PROPERTY RECLAIMED IN 1995.
Screening Criteria Table
Information
Mill Tailings: N
Adit Discharge: N
Metal Leaching: N
Water Erosion: N
Residence: N
Hazardous Materials: N
Open Adit: N
Visit: N
Comments: PLACER. MINERAL OWNERSHIP 100% PUBLIC. ACTIVE WORKING IN 1990'S.
Mining Methods Table
Years Dredge dry land Dredge float Ground sluicing Boom dam Drifting Hydraulic Pan rocker Long Tom Mercury
1990-1992 Y
Placer Table
Information
Gold: Y
Silver:
Titanium:
Rare Earth Elements:
Sapphire:
Garnet:
Tungsten:
Platinum:
Magnetite:
Hematite:
Pyrite:
Commodity Ref: Lyden, C.J., 1948, The Gold Placers of Montana, MBMG Memoir 26, 152 p.
Geologic Source: Paleoplacer gravels
Geologic Source Ref: McCulloch, R.B., 1992, Montana Mining Directory 1991, MBMG Bulletin 130, 135 p.
Lag:
Transported: Y
Type Comments: Quaternary gravels composed of tan shales overlying quartzite cobbles and boulders of older gravels (9). OR Paleoplacer gravels lying on elevated benches. (10). Bench placer (14).
Type Ref: McCulloch, R.B., 1991, Montana Mining Directory 1989-1990, MBMG Bulletin 129, 146 p.
Unknown:
Fine: Y
Coarse: Y
Comments: Trommel and sluice. 1.5 acres disturbed in 1991, total of 3 acres reclaimed by 1995. 100% private mineral ownership. Closed in 1996.
Size Ref: McCulloch, R.B., 2001, Montana Mining Directory - 1995-1998, MBMG Miscellaneous Contribution 18, 136 p.
Finess:
Fineref:
Spoil pile:
Wash pile:
Wash over:
Wash under:
Waste Ref:
Year Discovered: 1800's

End of report. Retrieved 5/6/2024 5:22:25 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.