Machinery / Dam construction / Excavation / Tracklaying vehicles
Source :NARA-NRG
NaraID :115-CONSTPHO-85006-COLBASIN2-799
Photographer :N/A
Personal Name :N/A
Topical Name :N/A
Geographical Name :N/A
Institution Name :Bureau of Reclamation / Engineering and Research Center
N/A
Date :10/09/1935
State :N/A
Country :USA
| 
)