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Box 10
Container
Staff Only
Contains 1 Result:
Dumbarton Strait Submarine Pipe Line drawings, Main Aqueduct, Bay Crossing Division, 1924
File — Box: 10, Folder: 9
Identifier:
Subseries 1_2:
Dates
:
1924
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 Aqueduct, Bay Crossing Division