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Box 9
Container
Staff Only
Contains 1 Result:
External Load Test Measurements, Hetchy Hetchy Aqueduct, Coast Range Tunnels, 1934
File — Box: 9, Folder: 11
Identifier:
Subseries 1_2:
Dates
:
1934
Found in:
California Historical Society
/
MS 980, William W. Helbush collection of water project records
/
Hetch Hetchy water supply project records
/
Project records
/
Hetch Hetchy Dam and Aqueduct, Coast Range Division and Mountain Division