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  • All fields: Maroco
(17 results)



Display: 20

    • 7-W Dragline

    • 7-W Dragline

    • Maroco open pit mine, featuring dragline loading portable screen plant

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems; Shovels; Dump trucks;
    • Photo Collection
    • Butler Brothers and Hanna Mining Company Records Finding Aid

    • Butler Brothers and Hanna Mining Company Records Finding Aid

    • Document describing a collection of records held in the Minnesota Discovery Center Archives documenting the activity of the Butler Brothers and Hanna Mining Company.

    • Andreas, B.M.; Bedard, Earl W.; Bemis, John E.; Butler, Cooley, 1868-1965.; Butler, Emmett, 1870-1955.; Butler, Hazen; Butler, John 1861-1926; Butler, Patrick, 1900-1990; Butler, Pierce, 1868-1939; Butler, Walter, 1858-1933; Butler, William,...
    • Manuscripts Collection
    • Maroco

    • Maroco

    • Aerial view of open pit mine operations, featuring trucks, shovels, and a drill

    • Crosby, MN; Maroco Mine; Iron mining; Mining equipment; Machinery; Strip mining; Dump trucks; Shovels; Drills (Machinery);
    • Photo Collection
    • Maroco

    • Maroco

    • Maroco open pit mine, featuring dragline #678 and conveyor

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Machinery; Mining equipment; Conveying systems;
    • Photo Collection
    • Maroco

    • Maroco

    • Maroco open pit mine, featuring drag line and portable screen plant

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Machinery; Mining equipment;
    • Photo Collection
    • Maroco 7W

    • Maroco 7W

    • Maroco open pit mine in winter, featuring dragline and dump trucks

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Mining equipment; Machinery; Dump trucks;
    • Photo Collection
    • Maroco 7W Drag

    • Maroco 7W Drag

    • Maroco open pit mine in winter, featuring dragline loading dump truck # 303

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Machinery; Mining equipment; Dump trucks;
    • Photo Collection
    • Maroco 7W Drag

    • Maroco 7W Drag

    • Maroco open pit mine in winter, featuring dragline loading dump trucks

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Machinery; Mining equipment; Dump trucks;
    • Photo Collection
    • Maroco 7W dragline

    • Maroco 7W dragline

    • Maroco open pit mine in winter, featuring Bucyrus Erie dragline loading dump truck

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Mining equipment; Machinery; Dump trucks;
    • Photo Collection
    • Maroco Bene. Lab

    • Maroco Bene. Lab

    • Iron mining beneficiation facility, featuring dump trucks

    • Trommald, MN; Maroco Mine; Iron mining; Facilities; Mine buildings; Conveying systems; Dump trucks; Tailings embankments;
    • Photo Collection
    • Maroco Bene. Plant

    • Maroco Bene. Plant

    • Maroco beneficiation plant, featuring facilities, dump trucks, and mine dump

    • Trommald, MN; Maroco Mine; Iron mining; Facilities; Mine buildings; Conveying systems; Dump trucks; Water towers;
    • Photo Collection
    • Maroco cyclone plant

    • Maroco cyclone plant

    • Maroco Mine cyclone plant, featuring loaded ore car, work site, and pickup

    • Trommald, MN; Maroco Mine; Iron mining; Facilities; Mine buildings; Laborers; Trucks; Construction; Building Materials; Mine railroads; Mine railroad cars; Conveying systems; Trucks;
    • Photo Collection
    • Maroco Cyclone Plant

    • Maroco Cyclone Plant

    • Maroco cyclone plant, featuring Bay City crane

    • Trommald, MN; Maroco Mine; Iron mining; Facilities; Mine buildings; Mining equipment; Machinery; Hoisting machinery; Conveying systems;
    • Photo Collection
    • Maroco dragline

    • Maroco dragline

    • Maroco open pit mine in winter, featuring dragline, dump trucks and shack

    • Trommald, MN; Maroco Mine; Iron mining; Strip mining; Mining equipment; Machinery; Dump trucks; Drills (Machinery);
    • Photo Collection
    • Maroco Mine

    • Maroco Mine

    • Open pit mine operations, featuring trucks, shovel, and drill

    • Crosby, MN; Maroco Mine; Iron mining; Mining equipment; Machinery; Strip mining; Dump trucks; Drills (Machinery); Shovels;
    • Photo Collection
    • Maroco mining operations

    • Maroco mining operations

    • Open pit mine operation, featuring four trucks, a shovel, and four automobiles

    • Crosby, MN; Maroco Mine; Iron mining; Mining equipment; Machinery; Strip mining; Dump trucks; Shovels; Automobiles;
    • Photo Collection
    • Maroco Plant

    • Maroco Plant

    • Maroco Mine ore processing plant in winter

    • Trommald, MN; Maroco Mine; Iron mining; Mine buildings; Facilities; Conveying systems; Machinery; Mining equipment;
    • Photo Collection

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