Coastal Research Amphibious Buggy used by the U.S. Army Corps of Engineers for beach profile measurements.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...h_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...icle_beach.jpg
3:18 video:
https://www.youtube.com/watch?v=4LcvOtaayeE
Previously:
https://www.homemadetools.net/forum/...314#post196268
https://www.homemadetools.net/forum/...754#post174926
https://www.homemadetools.net/forum/...202#post203843
https://www.homemadetools.net/forum/...898#post171473
https://www.homemadetools.net/forum/...064#post172081
