Machinery / Conveying systems / Cement idustries
Source :NARA-NRG
NaraID :115-CONSTPHO-85006-BOULDERCANYON2-1177
Photographer :N/A
Personal Name :N/A
Topical Name :N/A
Geographical Name :N/A
Institution Name :Bureau of Reclamation / Engineering and Research Center / Six Companies Inc.
Bureau of Reclamation. Engineering and Research Center.
Date :05/02/1932
State :NV
Country :USA
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