Go to main content

Image

Details

Local Identifier
AAZ-2239
Title
Hetch Hetchy Dam. Drainage wells formed of porous concrete blocks 3 ft. 3 in. square, with 15 in. square hole in center.
Date
1922-06
Creator
San Francisco History Center, San Francisco Public Library
Collection Number
SFP 131
Physical Location
San Francisco History Center, San Francisco Public Library
Shelf Location
Folder: CA. Water. Hetch Hetchy O’Shaughnessy. Construction
Type
Still image
Extent
1 photographic print: b&w ; 8 x 11 in.
Format
Photographic prints
Photographs
Usage Statement
Though not required of public domain images, if you want to credit the library as the source, please use the following statement: "From the San Francisco History Center, San Francisco Public Library" and provide a link back to the item on our Digital Collections site.
Rights Statement
Note
In the middle of view is an inspection well formed with dense concrete blocks, bisected by a contraction joint. June, 1922. Hetch Hetchy Dam. Close view of drainage wells of porous concrete blocks. June, 1922.
Language
English
Finding Aid
https://oac.cdlib.org/findaid/ark:/13030/c8tt4z0b/
Subject (Topic)
Concrete blocks
Dams--Drainage systems
Water-supply--California--San Francisco
Geographic Coverage
Hetch Hetchy Reservoir (Calif.)--Photographs
Hetch Hetchy Valley (Calif.)--Photographs
Yosemite National Park (Calif.)--Photographs
Record Appears in
San Francisco Historical Photographs > California Photograph Collection

Files

Statistics

from
to
Export
Download
Formats
Format
BibTeX
MARCXML
TextMARC
MARC
DublinCore
EndNote
NLM
RefWorks
RIS
Add to Basket