Viburnum No.'s 27, 28, 29, and 35 (Casteel) mines

Producer in Iron county in Missouri, United States with commodities Lead, Zinc, Silver, Copper, Cobalt, Cadmium, Nickel
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Mineral occurrence model information
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Mineral rights holdings
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10123215
MRDS ID W019030
MAS/MILS ID 0290930005
Record type Deposit
Current site name Viburnum No.'s 27, 28, 29, and 35 (Casteel) mines

Geographic coordinates

Point of reference Geographic coordinates: Elevation UTM Precision Relative position Point location
Main Entrance -91.11513, 37.71586 (WGS84) 349 100 Viburnum No. 28 main entrance.
(click for info)
Main Entrance -91.13854, 37.75297 (WGS84) 305 10 Viburnum No. 27 shaft symbol on USGS topo map.
Main Entrance -91.07735, 37.7544 (WGS84) 10 Viburnum No. 29 shaft symbol on USGS topo map.

Site location context

Political divisions (FIPS codes)

Iron(county)

Missouri(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Viburnum East(quadrangle 1:24,000 scale)

Rolla(quadrangle 1:100,000 scale)

Rolla(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Meramec(hydrologic unit)

Upper Mississippi-Meramec(hydrologic accounting unit)

Upper Mississippi-Kaskaskia-Meramec(hydrologic subregion)

Upper Mississippi(hydrologic region)

Federal lands

Mark Twain National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Missouri Iron
United States Missouri Crawford
United States Missouri Washington

Public Land Survey System information

Meridian Township Range Section Fraction State
5th Principal 035 N 002 W 26 NESWSE Missouri

Commodities

Commodity Importance
Lead Primary
Zinc Critical Secondary
Silver Secondary
Copper Secondary
Cobalt Critical Secondary
Cadmium Tertiary
Nickel Critical Tertiary

Materials information

Materials Type of material
Bravoite Unknown
Calcite Unknown
Chalcopyrite Unknown
Dickite Unknown
Dolomite Unknown
Galena Unknown
Kaolinite Unknown
Linnaeite Unknown
Marcasite Unknown
Millerite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Mineral occurrence model information

Model code 224
USGS model code 32a
Deposit model name Mississippi Valley, S.E. Missouri Pb-Zn
Mark3 model number 42

Nearby scientific data

Main Entrance (1) -91.11513, 37.71586
Main Entrance (3) -91.13854, 37.75297
Main Entrance (4) -91.07735, 37.7544

Economic information

Ore body information

  • Strike N90S
    Dip 01S
    Thickness 17M
    Length 7625M
    Width 85M
    Area 155HA
    Depth to top 164M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Type of Orebody #3 BRECCIA FILL
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 DOLOMITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N90S:01S
    Minimum Depth to Top 100
    Avg. Thick. Unconsol. Mat. 15
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 155
    Date of Last Modification 830726

Comments on the geologic information

  • COMMENTS BY H. WEDOW FOLLOW: REPLACEMENT DEPOSITS IN CAMBRAIN DOLOMITE, PARTICULARLY ALGAL REEF FACIES, ON FLANKS OF BURIED PRECAMBRIAN KNOBS. NO IGNEOUS ROCKS (OTHER THAN IN THE PRECAMBRIAN BASEMENT). (MCKNIGHT, 1960?, UNPUBLISHED DATA.)

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Large
Significant Yes
Discovery year 1955
Discoverer St. Joseph Lead
Mining method Open Stope - Room and Pillar
Year of first production 1960
Milling method Flotation

Mining district

District name Viburnum Trend
District name Southeast Missouri Lead District

Mineral rights holdings

Type of mineral rights Federal Lease
Type of mineral rights Private Lease
Type of mineral rights Fee Ownership

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner St. Joseph Minerals
    Year 1977
  • Type Owner
    Owner Renco Group, 30 Rockefeller Plaza, Ny, Ny 10112
    ID 2300494
    Interest 100
    Home office New York
    Year 1995
  • Type Operator
    Owner Doe Run Mining Co., Clayton, Mo
    ID 2300494
    Home office Missouri
    Year 1995

Production statistics

  • Year 1960
    Material ore
    Ore mined 207500mt
    Description Metals Produced In Concentrates
    Pb, Mt Zn, Mt Cu, Mt Ag, Kg
    4,712 -- -- -- 207500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Lead Lead 4712mt
  • Year 1961
    Material ore
    Ore mined 646200mt
    Description 16,129 -- -- -- 646200 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Lead Lead 16129mt
  • Year 1962
    Material ore
    Ore mined 555500mt
    Description 18,150 -- 536 10,690 555500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Lead Lead 18150mt
    conc Copper Copper 536mt
    conc Silver Silver 10690000g
  • Year 1963
    Material ore
    Ore mined 791500mt
    Description 28,574 -- -- -- 791500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Lead Lead 28574mt
  • Year 1964
    Material ore
    Ore mined 1347600mt
    Description 46,712 867 -- -- 1347600 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 867mt
    conc Lead Lead 46712mt
  • Year 1965
    Material ore
    Ore mined 1650600mt
    Description 59,542 3,135 733 4,609 1650600 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 3135mt
    conc Silver Silver 4609000g
    Conc Lead Lead 59542mt
    conc Copper Copper 733mt
  • Year 1966
    Material ore
    Ore mined 1722900mt
    Description 60,523 2,952 2,224 -- 1722900 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 2952mt
    conc Lead Lead 60523mt
    conc Copper Copper 2224mt
  • Year 1967
    Material ore
    Ore mined 1587500mt
    Description 52,620 2,102 1,905 -- 1587500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 2102mt
    conc Lead Lead 52620mt
    conc Copper Copper 1905mt
  • Year 1968
    Material ore
    Ore mined 1611600mt
    Description 56,250 2,000 2,858 3,046 1611600 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 2000mt
    conc Lead Lead 56250mt
    conc Copper Copper 3046mt
  • Year 1969
    Material ore
    Ore mined 1657100mt
    Description 71,492 9,890 3,905 15,596 1657100 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 9890mt
    conc Silver Silver 15596000g
    conc Lead Lead 71492mt
    conc Copper Copper 3905mt
  • Year 1970
    Material ore
    Ore mined 1611100mt
    Description 64,641 9,850 3,038 13,580 1611100 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 9850mt
    conc Silver Silver 13580000g
    conc Lead Lead 64641mt
    conc Copper Copper 3038mt
  • Year 1971
    Material ore
    Ore mined 1579400mt
    Description 65,800 7,801 2,230 9,887 1579400 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 7801mt
    conc Silver Silver 9887000g
    conc Lead Lead 65800mt
    conc Copper Copper 2230mt
  • Year 1972
    Material ore
    Ore mined 1600800mt
    Description 71,593 5,487 1,804 5,492 1600800 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 5487mt
    conc Silver Silver 5492000g
    conc Lead Lead 71593mt
    conc Copper Copper 1804mt
  • Year 1973
    Material ore
    Ore mined 1622100mt
    Description 68,050 8,213 2,796 6,136 1622100 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 8213mt
    conc Lead Lead 68050mt
    conc Silver Silver 6136000g
    conc Copper Copper 2796mt
  • Year 1974
    Material ore
    Ore mined 1769000mt
    Description 70,317 11,269 2,268 8,107 1769000 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 11269mt
    conc Silver Silver 8107000g
    conc Lead Lead 70317mt
    conc Copper Copper 2268mt
  • Year 1975
    Material ore
    Ore mined 1511400mt
    Description 52,993 4,994 2,390 10,870 1511400 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 4994mt
    conc Silver Silver 10870000g
    conc Lead Lead 52993mt
    conc Copper Copper 2390mt
  • Year 1976
    Material ore
    Ore mined 1606200mt
    Description 60,293 4,157 3,335 9,427 1606200 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 4157mt
    conc Silver Silver 9427000g
    conc Lead Lead 60293mt
    conc Copper Copper 3335mt
  • Year 1977
    Material ore
    Ore mined 1604000mt
    Description 66,976 8,312 3,070 15,304 1604000 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 8312mt
    conc Silver Silver 15304000g
    conc Lead Lead 66976mt
    conc Copper Copper 3070mt
  • Year 1978
    Material ore
    Ore mined 1555500mt
    Description 64,377 4,478 2,682 7,393 1555500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 4478mt
    conc Silver Silver 7393000g
    conc Lead Lead 64377mt
    conc Copper Copper 2682mt
  • Year 1979
    Material ore
    Ore mined 1755500mt
    Description 70,238 5,402 3,384 10,154 1755500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 5402mt
    conc Silver Silver 10154000g
    conc Lead Lead 70238mt
    conc Copper Copper 3384mt
  • Year 1980
    Material ore
    Ore mined 1928500mt
    Description 79,433 7,455 3,646 13,040 1928500 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 7455mt
    conc Silver Silver 13040000g
    conc Lead Lead 79433mt
    conc Copper Copper 3646mt
  • Year 1981
    Material ore
    Ore mined 1443100mt
    Description 54,634 7,009 2,229 10,218 1443100 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 7009mt
    conc Silver Silver 10218000g
    conc Lead Lead 54634mt
    conc Copper Copper 2229mt
  • Year 1982
    Material ore
    Ore mined 1937900mt
    Description 79,136 5,115 2,391 9,952 1937900 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 5115mt
    conc Silver Silver 9952000g
    conc Lead Lead 79136mt
    conc Copper Copper 2391mt
  • Year 1983
    Material ore
    Ore mined 2134800mt
    Description 82,498 7,562 1,793 12,594 2134800 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 7562mt
    conc Silver Silver 12594000g
    conc Lead Lead 82498mt
    conc Copper Copper 1793mt
  • Year 1984
    Material ore
    Ore mined 1501300mt
    Description 64,552 4,841 1,845 9,342 1501300 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 4841mt
    conc Silver Silver 9342000g
    conc Lead Lead 64552mt
    conc Copper Copper 1845mt
  • Year 1985
    Material ore
    Ore mined 2639200mt
    Description 109,334 8,536 8,170 13,924 2639200 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 8536mt
    conc Silver Silver 13924000g
    conc Lead Lead 109334mt
    conc Copper Copper 8170mt
  • Year 1986
    Material ore
    Ore mined 2512200mt
    Description 114,119 6,323 15,138 12,410 2512200 Mt Ore Milled
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    conc Zinc Zinc 6323mt
    conc Silver Silver 12410000g
    conc Lead Lead 114119mt
    conc Copper Copper 15138mt

Comments on the production information

  • PRESENTLY THERE IS NO MARKET FOR CO-NI CONCENTRATE PRODUCED AS A RESULT OF THIS PROCESS.
  • Y 1960-1986 PRODUCTION FROM U.S. BUREAU OF MINES PRODUCTION STATISTICS

Comments on the reserve resource information

  • THIS ENTRY INCLUDES VIBURNUM #27, VIBURNUM #29 CD-0.014 WT. %. 86 BROOK-HUNT DATA-PAH AS DOE RUN-ON SAMWANG AS CASTEEL W/ BR. CREEK AND FLETCHER

Workings at the site

  • Type of workings Underground
    Overall depth 277M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 3810
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.85
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1979
  • Type of workings Underground
    Overall depth 181M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 3265
    Capacity Units MT ORE/DAY
    Unit Production Cost 7.54
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Overall depth 364M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 3630
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.52
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Overall depth 364M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 4
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 4540
    Capacity Units MT ORE/DAY
    Unit Production Cost 8.72
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Overall depth 207M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 6
    1st Condition of Workings OPEN
    Capacity 3810
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.85
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1979
  • Type of workings Underground
    Overall depth 181M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 3265
    Capacity Units MT ORE/DAY
    Unit Production Cost 7.54
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Overall depth 364M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 3
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 3630
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.52
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983
  • Type of workings Underground
    Overall depth 364M
    Field Value
    MAS Development Schedule # 2
    Mining Record # 4
    Status of Mining Method PROPOSED
    Mining Method ROOM AND PILLAR 10-34
    Swell Factor .59
    Percent Waste Rock 15
    Percent Recovery 90
    Hardness of Rock SOFT NONPLASTIC FISSURED MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 2
    1st Condition of Workings OPEN
    Capacity 4540
    Capacity Units MT ORE/DAY
    Unit Production Cost 8.72
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1983

Comments on other economic factors

  • THE MILL IS LOCATED AT THE VIBURNUM #28 MINE. ORE FROM #29 AND #35 MINES IS TRUCKED TO MILL. THE MILL CAPITAL COST IN DEVELOPMENT SCHEDULE 2 DOES NOT INCLUDE COBALT-NICKEL CAPITAL COST. MILL OPERATING COST IN DEVEL. SCH 2 DOES NOT INCLUDE CO-NI OP. COSTS.
  • EXPLORATION A TOTAL OF 1800 HOLES WERE DRILLED ON THE THREE MINE SITES.

Comments on development

  • THE OREBODY AT MINE 27 IS DEPLETED, THEREFORE THE MINE WAS SHUT DOWN SEPTEMBER 29,1978.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORIGINAL EVALUATION WAS DONE BY ALAN HITE & MIKE DALEY IN 1979. UPDATED IN 1983 BY ALAN HITE. FLUOR CORPORATION ADDRESS: 3333 MICHELSON DRIVE, IRVINE, CALIFORNIA 92730 NO 29 SHAFT AND PART OF THE MATRIX 2 RESERVES LOCATED IN WASHINGTON COUNTY. PROPERTY UPDATED SEP 1987

Reporter information

Type Date Name Affiliation Comment
Reporter 07-OCT-96 M.D.&A.H. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Current status (per MSHA)

StatusAbandoned since 09/15/2004
MSHA mine ID2300494
Mine name (MSHA)Viburnum #28 Mine/Mill
Current operatorDoe Run Company
Current controller (parent)Renco Group
Mine typeUnderground (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.