Up the hill, down the hill
This is what we did ALL day long.This is how we transfered the elevations from benchmark to benchmark. Our tolerance was 4mm x the sq root of Km's run,So not much..For the pdml gang.
This is what we did ALL day long.This is how we transfered the elevations from benchmark to benchmark. Our tolerance was 4mm x the sq root of Km's run,So not much..For the pdml gang.