Message posted by Joerg (Webmaster) on January 22, 2017 at 18:50:37 PST:
I take it you are referring to the feature near 37° 12.104'N/115° 55.736'W. Reminds me of some of the water retention basins around Las Vegas. Flood control? In the latest GE image there is a small puddle of water in the newer of the two basins or scraped areas. Or possibly some sort of landfill?
In Reply to: excavations posted by John Ostendorf on January 22, 2017 at 18:17:27 PST: