Machine set up for drilling core hole

Description: Machine set up for drilling core hole d-1 downstream face Dam 1, station 9+78.5, elevation 6812.4.
Type: Visual Materials(Opens in new tab)
Date: 5/8/1937
Call number: photCL SCE 02 - 20150
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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Core machine setup hole d-1 Dam #1.
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