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  • All fields: hard
(4 results)



Display: 20

    • Mining Machinery 2

    • Mining; Mining equipment; Miners; Drilling & boring machinery; Tunnels; Headframes (Mining);
    • Two miners drilling underground with a column mounted drill. Miners are wearing soft hats, not hard hats. Candles are used for illumination. Extra drill steel is visible on left side of photo. Photo probably taken at the Bunker Hill Mine circa...
    • James Harrison Lowell papers

    • Irrigation districts-Idaho-Riverside-History-Sources. --Irrigation-Idaho-Boise River Valley-History-Sources. --Irrigation-Idaho-Gem County-History-Sources. --Irrigation-Idaho-Twin Falls County-History-Sources. --Riverside Irrigation District...
    • Correspondence, reports, reminiscences, and advertisements relating to early irrigation projects in Boise Valley and vicinity. Letters from J.H. Hard to his family (Phillipines 1898-1899).

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