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Visual Materials

Showing upstream core drill hole 2-1, Dam 2, and drilling scaffold on hole 2-2

Description: Showing upstream core drill hole 2-1, Dam 2, and drilling scaffold on hole 2-2.
Type: Visual Materials(Opens in new tab)
Date: 6/16/1937
Call number: photCL SCE 02 - 20148
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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Upstream face Dam 1, showing condition of concrete in vicinity of core-drill hole U-2 prior to drilling
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Upstream core drill hole Dam #2
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