Logging, A-Frame

LOGGING, A-FRAME, was a method of cutting waterfront timber, in use from 1920 to 1950. Unlike land-based systems, which yarded logs into a central "landing" and transported them to water by road, rail, chute or cable, A-frame loggers used a yarder floating on the water to pull logs down to it. The A-frame yarder was mounted on a large raft of floating logs and the lines were threaded through blocks hung at the apex of 2 log spars hung in an "A" configuration. This arrangement provided lift to...

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