Quarrying and crushing methods and costs at the Plainville, (Conn.,) trap-rock quarry of the New Haven Trap Rock Co., New Britain, Conn.

Author: Worthen, A. L.
Year: 1936
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:6920
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 6920
Subjects: Quarries and quarrying--Connecticut--Cost of operation
Quarries and quarrying--Connecticut
Link: https://hdl.handle.net/2027/mdp.39015077569013

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