Showing Collections: 1 - 2 of 2
William W. Helbush collection of water project records
Collection
Identifier: MS 980
Dates:
1905-1947
Found in:
California Historical Society
James Rolph, Jr. papers
Collection
Identifier: MS 1818
Dates:
1904-1934,; Majority of material found in 1911-1930
Found in:
California Historical Society
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- Subject: Hetch Hetchy Reservoir (Calif.) X
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