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Cow Bay type of sand and grovel deposits on north shore of Long Island; mining by suction dredge; screening and storage plant on shore; loading on scows; flow sheet; organization chart; operating costs. (see also Rock Products v 35 n 7 Apr 9 1932 p 35-41; Nat Sand and Gravel Bul v 13 n 7 July 15 1932 p 3-7; and Pit and Quarry v 24 n 13 Sept 21 1932 p 23-8 and 40)
Cow Bay type of sand and grovel deposits on north shore of Long Island; mining by suction dredge; screening and storage plant on shore; loading on scows; flow sheet; organization chart; operating costs. (see also Rock Products v 35 n 7 Apr 9 1932 p 35-41; Nat Sand and Gravel Bul v 13 n 7 July 15 1932 p 3-7; and Pit and Quarry v 24 n 13 Sept 21 1932 p 23-8 and 40)
Methods and costs of mining and preparing gravel and sand for market at plant of seaboard sand and gravel corporation, port Jefferson, N.Y.
U S Bur Mines -- Information Cir
Dana, A. (Autor:in)
1932
12 pages
Report
Englisch
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