Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Methods and costs of mining and preparing sand and gravel at Clowdy plant of Dallas Washed and Screened Gravel Co., Dallas, Tex.
History and early development of gravel industry in district; geology; physical characteristics of deposits; prospecting and exploration; sampling and estimation of tonnage and values; mining methods; transportation; washing and screening plant; costs; organization chart.
Methods and costs of mining and preparing sand and gravel at Clowdy plant of Dallas Washed and Screened Gravel Co., Dallas, Tex.
History and early development of gravel industry in district; geology; physical characteristics of deposits; prospecting and exploration; sampling and estimation of tonnage and values; mining methods; transportation; washing and screening plant; costs; organization chart.
Methods and costs of mining and preparing sand and gravel at Clowdy plant of Dallas Washed and Screened Gravel Co., Dallas, Tex.
U S Bur Mines -- Information Cir
Windrow, R.L. (Autor:in)
1932
9 pages
4 Supp plates
Report
Englisch
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