Mineral Resource Map
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Name
Unknown
Unknown
Unknown
Portland Quarry
Clear Lake Sand & Gravel Pit
Mason City Sand Pit & Plant
Unknown
Unknown
Unknown
Andrews Quarry
Unknown
Swaledale Quarry and Pit
Rockwell Pit
Lehigh Quarry
Cement Lands Park
Unknown
Unknown
Mason City Shop
Unknown
Unknown
Kirk Pit
Unknown
Unknown
Andrews Pit
Jorgensen Pit
Unknown
Kuhn Pit
Airport Pit
Ubben Quarry
Unknown
Ideal Quarry
Unknown
Unknown
Unknown
Unknown
Wash Plant
Unknown
Unknown
Sheriff Pit
Unknown
Kimbley Quarry
Unknown
Sugar Beet Pit
Rock Falls Quarry
Mason City Quarry & Mill
Unknown
Unknown
Unknown
Quimby Quarry and Mill
Duesenberg Pit
Ingebretson Park
Unknown
Bernhardt
Unknown
Nelson-Forbes Pit
Unknown
Portland West Quarry
Mason City Brick and Tile
Unknown
Mason City Quarry
Unknown
Unknown
Unknown
Unknown
Oswald Clay Pit
Lehigh Portland Cement Plant
Stricker Quarry
Unknown
Faught Pit
Willowbrook Shale Pit
Cerro Gordo County Pits
Unknown
Northwestern States Qry Cemt Plnt
Lehigh Pit
Weaver Readymix Inc
Unknown
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