23 resultados para Gravel and aggregates
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Absorbed Directory of cement, gypsum, lime, sand, gravel and crushed-stone plants in 1930 and assumed its volume numbering.
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Mode of access: Internet.
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At head of title: Canada. Department of mines. Geological survey branch.
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"September 1996."
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Mode of access: Internet.
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Maps in pocket comprise appendix C, Geologic characteristics of fine aggregate sources, and appendix D, Fine aggregate source locations.
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Mode of access: Internet.
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Mode of access: Internet.
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"E-WQ-73-2".
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Includes bibliographical references.
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"This short course has been prepared as a practical guide for town and county highway superintendents in New York State."
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"Prepared in cooperation with the Illinois Department of Transportation. Division of Water Resources."