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Method and cost of mining sand and gravel at the Farmington (Conn.) plant of the Atlas Sand, Gravel & Stone Co.

Quarrying and crushing methods and costs at the Avon Mountain trap rock quarry of the Atlas Sand, Gravel & Stone Co., West Hartford, Conn.

Published Year

• 1930-1939 (2) *

Subject

• Quarries and quarrying--Connecticut (1)
• Sand and gravel mines and mining--Connecticut (1)

Author

• Dunning, J. S. (2) *

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