Mineral Resource Map
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Marshall
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Name
Rockton Quarry
Unknown
Corrick Quarry
Unknown
South Le Grand Quarry
Marshalltown Sand Plant
Olson Farm Pit
Ferguson Quarry
Timber Creek Quarry
Unknown
Humphreys Pit
Le Grand Quarry
Unknown
Slappey Pit
Unknown
Unknown
Ferguson Mine
Lacy Pit
Ash Quarry
Ruth Pit
Nichols Sand and Gravel Pit
Unknown
Unknown
Clemons Pit and Plant
Unknown
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