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Minnesota Reflections

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  • All fields: Magnetite
(142 results)



Display: 50

    • Bedrock geologic map of northeastern Itasca County, Minnesota, M-68

    • 1990
    • Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), northeastern Itasca County, scale 1:48,000. Electronic file available at: ftp://mgssun6.mngs.umn.edu/map_catalog/pdf/umn22462.pdf
    • Minnesota Geological Survey
    • Aeromagnetic anomaly map of Minnesota, S-11

    • 1982
    • Aeromagnetic anomaly (total magnetic intensity anomaly (relative to the earth's magnetic field, interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals...
    • Minnesota Geological Survey
    • Geologic map of Pigeon Point quadrangle, Cook County, Minnesota, M-36,

    • 1977
    • Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Pigeon Point quadrangle, scale 1:24,000. Electronic file available at: ftp://mgssun6.mngs.umn.edu/map_catalog/pdf/umn22415.pdf
    • Minnesota Geological Survey
    • Skillings' Mining Review, Volume X, Number 19

    • 1921-09-24
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Bedrock geology of the Tofte quadrangle, Cook County, Minnesota, M-171

    • 2006
    • Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Tofte quadrangle, scale 1:24,000. Electronic file available at: ftp://mgssun6.mngs.umn.edu/map_catalog/pdf/umn22589.pdf
    • Minnesota Geological Survey
    • Skillings' Mining Review, Volume VI, Number 14

    • 1917-08-25
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VII, Number 48

    • 1919-04-19
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 31

    • 1921-12-17
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VIII, Number 35

    • 1920-01-17
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VI, Number 42

    • 1918-03-09
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VIII, Number 13

    • 1919-08-16
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VIII, Number 36

    • 1920-01-24
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • The Minnesota Geologist, Volume IV, Number 1, January 15th, 1947

    • 1947-01-15
    • The January 1947 edition of the Geological Society of Minnesota (GSM) newsletter included society notices including reference to a Black Hills field trip, a story on nuclear power, and a classification of mineral deposits.
    • Geological Society of Minnesota
    • Skillings' Mining Review, Volume VII, Number 46

    • 1919-04-05
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 9

    • 1921-07-16
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VIII, Number 23

    • 1919-10-25
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume V, Number 32

    • 1916-12-30
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Geologic map of Minnesota, Hibbing sheet, bedrock geology

    • 1970
    • Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Hibbing quadrangle, scale 1:250,000. Electronic file available at: ftp://mgssun6.mngs.umn.edu/map_catalog/pdf/umn22375.pdf
    • Minnesota Geological Survey
    • Skillings' Mining Review, Volume X, Number 15

    • 1921-08-27
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume IX, Number 44

    • 1921-03-19
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Bedrock geology of the Mesabi Iron Range, Minnesota, M-163

    • 2005
    • Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Mesabi Iron Range, scale 1:100,000. Electronic file available at: ftp://mgssun6.mngs.umn.edu/map_catalog/pdf/umn22581.pdf
    • Minnesota Geological Survey
    • Skillings' Mining Review, Volume VIII, Number 30

    • 1919-12-13
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 45

    • 1922-03-25
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VII, Number 41

    • 1919-03-01
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 5

    • 1921-06-18
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume X, Number 33

    • 1921-12-31
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • GSM News, Volume LVIII, Number 4, Winter 2004

    • 2004
    • The Winter 2004 edition of the Geological Society of Minnesota (GSM) newsletter reported on a field trip to the Iron Range, news of the death of Alec Lowe and Tom Smalec, and plans for a field trip to the Rocky Mountains.
    • Geological Society of Minnesota
    • Skillings' Mining Review, Volume VIII, Number 1

    • 1919-05-24
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume IX, Number 41

    • 1921-02-26
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume IX, Number 20

    • 1920-10-02
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center
    • Skillings' Mining Review, Volume VII, Number 18

    • 1918-09-21
    • Skillings' Mining and Market Letter is an international mining trade publication. It began as a weekly publication in Duluth, Minnesota, in 1912. It changed its name to Skillings' Mining Review in July 1916 (dropping the apostrophe in 1993). ...
    • Iron Range Research Center

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