Michigan · Delta County
Producer
Holmberg Pit
Delta County, Michigan, United States
Sand and Gravel
Construction
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USGS source ↗
Commodities
Primary
Sand and Gravel, Construction
Commodity type
N
Economic & production
Development status
Producer
Identification
Deposit ID
10121259
Region
NA
Data score
D
Coordinates
45.8756, -87.025
References
MSHA UPDATE 1978