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    Maps showing the distribution of tin, tungsten, arsenic, gold, and silver in nonmagnetic heavy-mineral concentrates derived from stream sediments, Sherbrooke and Lewiston 1⁰?x 2⁰?q... by Geological Survey (U.S.), Maine Geological Survey, Vermont Geological Survey, New Hampshire. Office of the State Geologist

    Published: U.S. Geological Survey ; For sale by Map Distribution, 1990
    Description: 3 maps on 2 sheets : color ; 89 x 64 cm, sheets 104 x 127 cm and 104 x 137 cm, folded in envelope 30 x 24 cm.
    Government Document Map
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    Maps showing the distribution of tin, tungsten, arsenic, gold, and silver in nonmagnetic heavy-mineral concentrates derived from stream sediments, Sherbrooke and Lewiston 1⁰?x 2⁰?quadrangles, Maine, New Hampshire, and Vermont

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