Visual Materials

Boulder-Chino Transmission Line

Description: Boulder-Chino Transmission Line - Excavation at Mile 8-2
Type: Visual Materials(Opens in new tab)
Date: 8/9/1937
Call number: photCL SCE 02 - 20237
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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Boulder-Chino Transmission Line
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Boulder-Chino Transmission Line
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Boulder-Chino Transmission Line - Setting footings at Mile 9-2.
photCL SCE 02 - 20239
Boulder-Chino Transmission Line
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Boulder-Chino Transmission Line - Stark crew at Mile 15-2 setting stubs.
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Boulder-Chino Transmission Line (3rd)
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Boulder-Chino Transmission Line (3rd) - Showing excavation of soil at and between towers 1 to 2 at mile 103. Also showing existing slope of ground. Vertical rod at 5.5', horizontal rod at 8.9'. Rods on centerline, facing northwesterly.
photCL SCE 02 - 27890
Boulder-Chino Transmission Line (3rd)
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Boulder-Chino Transmission Line (3rd) - showing excavation of soil at and between towers 1 to 2 at mile 103. Detail of vertical bank facing north. Material below 1.3' is fine gravel. Material above is clay. Bank about 8.5' high.
photCL SCE 02 - 27893
Boulder-Chino Transmission Line (3rd)
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Boulder-Chino Transmission Line (3rd) - showing excavation of soil at and between towers 1 to 2 mile 103. 12' rod against vertical bank at right. 9' rod is 8.5' left and level with 12' rod. Both rods on centerline. Tower at left. Looking northeasterly.
photCL SCE 02 - 27895