measure

Well it's just a question of time. They already have drones they can send down extensive volcano tubes for mapping, in preparation for mapping volcano tubes on the moon and mars. https://www.seti.org/press-release/drone-maps-icy-lava-tube-iceland-preparation-cave-exploration-moon-and-mars...

New in box Leica Disto D8. I bought a two of these a few years ago. One to use and another as a backup. I'm still using my first one, never had to use the backup. Cleaning out the office and need to sell it. Looks like they sell on eBay for around $500-$600 still. For a fellow appraiser I'd let...