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Inmachuk and Pinnell Rivers

Past Producer in Alaska, United States with commodities Gold, Mercury, Silver
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Ownership information
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10233333
MRDS ID A012714
MAS/MILS ID 0020440024
Record type Site
Current site name Inmachuk and Pinnell Rivers
Alternate or previous names Polar Bear Group, Inmachuk River, Dashley Group, Pinnell River, Ipnechuk River, Discovery Bench, Sunflower, Nash Fraction, Utica Assn.
Related records 10001888

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -163.07781, 65.89937 (WGS84)
Elevation 73
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Northwest Arctic(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bendeleben D-3(quadrangle 1:63,360 scale)

Bendeleben NE(quadrangle 1:100,000 scale)

Bendeleben C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Goodhope-Spafarief Bay(hydrologic unit)

Northern Seward Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

NANA Regional Corporation, Incorporated(ANCSA Region)

ANCSA Region NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Kateel River 006 N 021 W 34 SENWNW Alaska

Commodities

Commodity Importance
Gold Primary
Mercury Tertiary
Silver Tertiary

Nearby scientific data

Ore Body (1) -163.07781, 65.89937
ListMap

Economic information

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1915

Mineral rights holdings

Type of mineral rights Located Claim

Ownership information

  • Type Owner-Operator
    Owner Nelson And Sobocienski
    Year 1978
  • Type Owner-Operator
    Owner Harold Martindale
    Year 1978

Production statistics

  • Year 1915
    Description 110,000 Yards Processed. 1257 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 39097.07g
  • Year 1916
    Description 50,000 Yards Processed. 1209 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 373521.7g
  • Year 1917
    Description 287 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 8926.69g
  • Year 1917
    Description 75,413 Yards Processed. 2542 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 79065.04g
  • Year 1918
    Description 197 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 6127.38g
  • Year 1918
    Description 9,702 Yards Processed. 1577 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 49050.18g
  • Year 1919
    Description 161 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 5007.66g
  • Year 1919
    Description 47,222 Yards Processed. 1383 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 43016.11g
  • Year 1920
    Description 3,077 Yards Processed. 181 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 5629.73g
  • Year 1921
    Description 5,463 Yards Processed. 658 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 20466.09g
  • Year 1922
    Description 53,850 Yards Processed. 1231 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 38288.38g
  • Year 1923
    Description 32,740 Yards Processed. 2583 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 80340.29g
  • Year 1924
    Description 91,000 Yards Processed. 2216 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 68925.31g
  • Year 1925
    Description 2533 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 78785.11g
  • Year 1926
    Description 2689 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 83637.26g
  • Year 1927
    Description 43,717 Yards Processed. 208 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 6469.52g
  • Year 1928
    Description 85,577 Yards Processed. 2902 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 90262.3g
  • Year 1929
    Description 483 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 15022.98g
  • Year 1930
    Description 206 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 6407.31g
  • Year 1931
    Description 26 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 808.69g
  • Year 1934
    Description 94 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 2923.72g
  • Year 1934
    Description 25,000 Yards Processed. 732 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 22767.74g
  • Year 1936
    Description 397 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 12348.08g
  • Year 1936
    Description 45 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 1399.65g
  • Year 1941
    Description 169 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 5256.48g
  • Year 1941
    Description 1648 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 51258.53g
  • Year 1942
    Description 305 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 9486.56g
  • Year 1942
    Description 2408 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 74897.18g
  • Year 1943
    Description 330 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 10264.14g
  • Year 1943
    Description 3019 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 93901.4g
  • Year 1946
    Description 131 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 4074.55g
  • Year 1946
    Description 1225 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 38101.76g
  • Year 1947
    Description 74 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 2301.65g
  • Year 1947
    Description 623 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 19377.46g
  • Year 1948
    Description 434 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 13498.91g
  • Year 1948
    Description 168,000 Yards Processed. 3638 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 113154.46g
  • Year 1949
    Description 388 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 12068.15g
  • Year 1949
    Description 365,410 Yards Processed. 3701 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 115113.98g
  • Year 1950
    Description 573 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 17822.29g
  • Year 1950
    Description 313,920 Yards Processed. 5510 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 171380.18g
  • Year 1951
    Description 649 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 20186.15g
  • Year 1951
    Description 353,560 Yards Processed. 5947 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 184972.4g
  • Year 1952
    Description 478 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 14867.46g
  • Year 1952
    Description 326,700 Yards Processed. 4696 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 146061.94g
  • Year 1953
    Description 539 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 16764.77g
  • Year 1953
    Description 328,810 Yards Processed. 4955 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 154117.74g
  • Year 1954
    Description 448 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 13934.35g
  • Year 1954
    Description 302,040 Yards Processed. 4307 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 133962.69g
  • Year 1955
    Description 4 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 124.41g
  • Year 1955
    Description 36 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1119.72g
  • Year 1956
    Description 33 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 1026.41g
  • Year 1956
    Description 75,000 Yards Processed. 318 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 9890.9g
  • Year 1958
    Description 78 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 2426.07g
  • Year 1958
    Description 45,700 Yards Processed. 753 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 23420.92g
  • Year 1959
    Description 239 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 7433.73g
  • Year 1959
    Description 129,000 Yards Processed. 2244 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 69796.21g
  • Year 1960
    Description 193 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 6002.97g
  • Year 1960
    Description 87,000 Yards Processed. 1765 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 54897.64g
  • Year 1961
    Description 131 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 4074.55g
  • Year 1961
    Description 92,000 Yards Processed. 1156 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 35955.62g
  • Year 1962
    Description 111 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 3452.48g
  • Year 1962
    Description 72,000 Yards Processed. 992 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 30854.65g
  • Year 1963
    Description 75 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 2332.76g
  • Year 1963
    Description 24,800 Yards Processed. 661 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 20559.4g
  • Year 1964
    Description 549 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 17075.81g
  • Year 1964
    Description 58 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 1804g
  • Year 1965
    Description 141 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 4385.59g
  • Year 1965
    Description 61,296 Yards Processed. 1308 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 40683.35g
  • Year 1966
    Description 122 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 3794.62g
  • Year 1966
    Description 74,003 Yards Processed. 1162 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 36142.24g
  • Year 1967
    Description 46 Troy Ounces Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 1430.76g
  • Year 1967
    Description 25,841 Yards Processed. 419 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 13032.35g
  • Year 1968
    Description 265 Troy Ounces Gold
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 8242.42g

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 12-JUL-1995 Sbh U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.