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Redlands vicinity

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Santa Ana River Hydroelectric System, Flumes & Tunnels below Sandbox, Redlands, San Bernardino County, CA



See 22 maps of this location


B&W Photos


Data Pages


Photo Caption Pages


Item Title


Location
Flumes & Tunnels below Sandbox, Redlands vicinity, CA

Find maps of Redlands, CA


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CA-130-G
Building/structure dates: 1898 initial construction
Building/structure dates: 1905 subsequent work
Building/structure dates: 1904 subsequent work

Subjects
Tunnels
Flumes


Related Names
Ensign, O. H.
Boggs, E. M.


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. OVERVIEW OF FIFTH FLUME ABOVE SAR-1 FOREBAY, SHOWING OLD AND NEWER CEMENT FOOTINGS. VIEW TO NORTHEAST.
2. OVERVIEW OF MAINTENANCE ROAD AND FOURTH FLUME ABOVE SAR-1 FOREBAY, HIGH ABOVE SANTA ANA RIVER BED, LOOKING SOUTHWEST.
3. DETAIL OF ENTRY TUNNEL PORTAL, FOURTH FLUME ABOVE SAR-1 FOREBAY. VIEW TO WEST.
4. THIRD FLUME ABOVE SAR-1 FOREBAY, SHOWING TYPICAL CHANGE IN CURVATURE OF METAL SHEETING AS FLUME MEETS TUNNEL AT PORTAL. VIEW TO NORTH.
5. EXIT TUNNEL PORTAL AND SECOND FLUME ABOVE SAR-1 FOREBAY. VIEW TO NORTHWEST.
6. WORKMEN REPLACING STEEL PLATES IN FLUME NO. 10, ABOVE SAR-1. FLUME FOR SAR-3 WAS REBUILT AT THE SAME TIME. SCE negative no. 11776, May 1, 1926. Photograph by G. Haven Bishop.
7. FOUNDATIONS OF FLUME NO. 8, EXPOSED. SCE negative no. 3077, January 26, 1916. Photograph by G. Haven Bishop.
8. STEEL BYPASS FLUME, SAR-1 SANDBOX, JANUARY 24, 1977. SCE drawing no. 455664-0.
9. DETAILS OF STEEL FLUME, TYPICAL CURVES AND TRANSITIONS. EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523195 (sheet no. 5; for filing with Federal Power Commission).
10. DETAILS OF STEEL FLUME, TYPICAL BENTS AND TRUSSES. EXHIBIT L, SANTA ANA RIVER NO. 1 PROJECT, APR. 30, 1945. SCE drawing no. 523196 (sheet no. 6; for filing with Federal Power Commission).


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