A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Method and cost of dredging sand and gravel, Portland gravel Co., Portland, Oreg
Methods and practice in operation of clamshell dredge on Willamette River near Portland, and pump dredge on Columbia River near Vancouver, Wash; cost tabulations represent local expenditures only and not total production costs. (see also Rock Products v 35 n 14 July 16 1932 p 11-4; Quarry and Roadmaking v 37 n 431 Nov 1932 p 478-81)
Method and cost of dredging sand and gravel, Portland gravel Co., Portland, Oreg
Methods and practice in operation of clamshell dredge on Willamette River near Portland, and pump dredge on Columbia River near Vancouver, Wash; cost tabulations represent local expenditures only and not total production costs. (see also Rock Products v 35 n 14 July 16 1932 p 11-4; Quarry and Roadmaking v 37 n 431 Nov 1932 p 478-81)
Method and cost of dredging sand and gravel, Portland gravel Co., Portland, Oreg
U S Bur Mines -- Information Cir
Puariea, H.F. (author)
1932
4 pages
Article (Journal)
English
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Dredging methods and costs of ross island sand and gravel Co, Portland, Ore
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