Search Results - Ipsen, A. O.

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  1. 1
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    Concentration of oxide manganese ore from Doyle-Smith claims, Northern Yuma County, Ariz. / by Ipsen, A. O.

    Published 1952
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  2. 2
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    Concentration of oxide manganese ores from the Tintic district, Eureka, Juab County, Utah / by Ipsen, A. O.

    Published 1949
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  3. 3
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    Concentration of oxide manganese ores from the vicinity of Long Valley, Coconino County, Ariz. / by Schack, C. H. (Carl H.)

    Published 1947
    Other Authors: “…Ipsen, A. O.…”
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  4. 4
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    Concentration of oxide and carbonate manganese ores from the Philipsburg District, Granite County, Mont. / by Wells, R. R. (Rollien Raymond)

    Published 1947
    Other Authors: “…Ipsen, A. O.…”
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  5. 5
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    Concentration of manganese ores from Lincoln County, Nev. / by Shibler, B. K. (Bertram K.)

    Published 1947
    Other Authors: “…Ipsen, A. O.…”
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  6. 6
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    Concentration of manganese ores from Gila, Greenlee, and Graham counties, Ariz. / by Potter, George M.

    Published 1946
    Other Authors: “…Ipsen, A. O.…”
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