Granite Rock/Derricks

Name/Title

Granite Rock/Derricks

Entry/Object ID

TP6819

Description

A black and white photo of Relief Dam showing derricks near granite rock wall. Work being done by the Union Construction Company, Vallecito, Ca. Note: Relief Dam is a rockfill dam on Summit Creek, a tributary of the Middle Fork Stanislaus River, in Tuolumne County, California. The dam is part of the Spring Gap-Stanislaus Hydroelectric Project, and is owned and operated by Pacific Gas and Electric (PG&E). Type: Paper

Collection

TCHS - Tuolumne County Historical Society

Lexicon

Search Terms

Dam, Construction, Companies, Rivers, Dams, Construction, Relief Dam, Union Construction Company, Vallecito, Ca., Stanislaus River, Econ/Industry, Union Construction Co