re: #74 Mostly sane, most of the time.
I thought surveyor’s now used those, um, thingies. You know, the thingies with the big square things with lenses set on a tripod.
Okay, I didn’t take surveying, but I just saw my niece in a photo with one at her dig site, and she looks all cool and Indiana-Jones-ish.
Civil engineer major here. Many moons ago.