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Kamas vicinity

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High Mountain Dams in Bonneville Unit, Trial Lake Dam, Kamas, Summit County, UT



B&W Photos

HB1131495

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Data Pages


Photo Caption Pages


Item Title


Location
Trial Lake Dam, Kamas vicinity, UT

Find maps of Kamas, UT


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER UT-41-L
Building/structure dates: 1914 initial construction
Significance: Trial Lake is the second largest body of water to be reservoired in the Bonneville Unit of the Central Utah Project. Its dam, built cooperatively by four of the principal regional irrigation companies, is the oldest man-made structure to reservoir a natural lake in the upper Provo River drainage, along with the dams on Wall and Washington lakes. Although standard in its sloped profile and steel outlet works, the dam is technologically notable as having a concrete core beneath its earth-fill construction. An easily accessible structure with a high visibility, Trial is one of the most significant of the Bonneville Unit dams.

Subjects
Dams


Related Names
Provo Reservoir Company
Sego Irrigation Company
Wasatch Irrigation Company
National Forest Service
Timpanogos Irrigation Company


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. OVERALL VIEW OF LAKE, LOOKING NORTH
2. OVERALL VIEW OF DAM, SHOWING' CREST AND UPSTREAM FACE, LOOKING SOUTHEAST
3. OVERALL VIEW OF DAM, SHOWING UPSTREAM FACE, LOOKING SOUTHWEST
4. VIEW SHOWING UPSTREAM FACE OF DAM, LOOKING WEST
5. VIEW SHOWING DAM CREST AND UPSTREAM FACE, WITH OUTLET GATE IN BACKGROUND, LOOKING NORTHWEST
6. VIEW OF DAM CREST, WITH OUTLET GATE, LOOKING NORTHWEST
7. VIEW SHOWING DOWNSTREAM FACE AND TOE OF DAM, WITH OUTLET CHANNEL, LOOKING EAST
8. VIEW OF INCLINED OUTLET GATE WHEEL, STEM AND STEM GUIDE, LOOKING NORTH
9. VIEW OF DOWNSTREAM OUTLET VALVE (20' DIAMETER LUDLOW GATE VALVE), LOOKING NORTHEAST
10. VIEW OF LAKE INLET, LOOKING WEST 11. 'CONSTRUCTION OF TRIAL LAKE DAM OF THE UNION RESERVOIR CO., SEPTEMBER 7, 1912, AT 20 FEET ABOVE OUTLET. C.S. JARVIS, ENG.' 12. 'SNOW SURVEY APRIL 15, 1913.'


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