Visual Materials
Men with drill rig on truck taking core samples?
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Men using power auger rig on truck to dig hole for pole placement
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Men using power auger rig on truck to dig hole for pole placement
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Colorado River - [a boat with tent is tethered in middle of deep river section with steep walls. Boat appears to be taking core samples along the river bottom for a new dam site with a diamond drill rig]
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Colorado River - [a boat with tent is tethered in middle of deep river section with steep walls. Boat appears to be taking core samples along the river bottom for a new dam site with a diamond drill rig]
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Colorado River - [a boat with tent is tethered in middle of deep river section with steep walls. Boat appears to be taking core samples along the river bottom for a new dam site with a diamond drill rig]
photCL SCE 02 - 07836