An online LIDAR map of England :) https://houseprices.io/lab/lidar/map Pic=medieval saltern mounds at Marshchapel, Lincolnshirepic.twitter.com/Cze6oYCLcG
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Isn't it fab! The data is via the Environment Agency, so they'd be the people to report to, I think :)
Combined with the atlas of hillforts I’ve been able to check a couple of the spots and they check out as existing sites. I have a new obsession!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.