LAS VEGAS (AP) — A body inside a barrel was found over the weekend on the the newly exposed bottom of Nevada's Lake Mead as drought depletes one of the largest U.S. reservoirs — and officials predicted the discovery could be just the first of more grim finds.

"I would say there is a very good chance as the water level drops that we are going to find additional human remains," Las Vegas police Lt. Ray Spencer told KLAS-TV on Monday.

The lake's level has dropped so much that the uppermost water intake at drought-stricken Lake Mead became visible last week. The reservoir on the Colorado River beh...