Lidar And The Mystery of the Mounds: A Summary
Channel: F. A. Dowdy
Date: 2022-11-28

For over 200 years explorers and scholars have puzzled over small, low-relief "pimple" mounds found in Arkansas, Louisiana, eastern Texas, eastern Oklahoma and southern Missouri.  Newly available lidar imagery provides a startling new perspective on these features, throws into question existing origin theories, and suggests there could be hundreds of thousands of manmade mounds hidden under forest canopy.  This video presents a quick look at this phenomenon.

A longer video with more analysis is available here:
https://youtu.be/DthZkPqacwE