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A high scaler on a rope seat with a drill

High on the rock face a man in a cap and work shirt sits on a narrow board slung from ropes, his feet braced against the stone; a drill on a light frame is fixed before him, and more ropes and hoses run down the wall beside him. These men, the high scalers, cleared loose rock from the canyon walls and drilled them for blasting before the dam could be anchored to them.

Period
c. 1931–1933
Credit
US National ArchivesPublic Domain (NARA) · Digitalisierung und Bearbeitung: © zb Media GmbH

Specifications

Clip name
HFE004511
Length
0' 12"
Aspect Ratio
16:9
Frames per Second
24 fps
Chroma Subsampling
yuv422p10le
Resolution
1920 × 1080
Format
MOV
File Size
273,223,636 bytes
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