Photogrammetry Point Cloud
Remote Sensing

What is Photogrammetry?

Photogrammetry uses photographs from at least two different vantage points. It obtains depth and perspective because of separate points of observation.

Geodetic Survey Benchmark
Maps & Cartography

Survey Benchmark Monument Locations

If you’re serious about geocaching, than you’ve probably heard of benchmark hunting. A survey benchmark is a disk in the ground with a latitude & longitude.