Erg (landform) and western Asia, and Central Australia. In South America, ergs are limited by the Andes Mountains, but they do contain extremely large dunes in coastal Peru and northwestern Argentina. They are also found in several parts of the northeast coast of Brazil. The only active erg in North America is in the Gran Desierto de Altar () that extends from the Sonoran Desert in the northwestern Mexican state of Sonora to the Yuma Desert of Arizona and the Algodones Dunes of southeastern California. An erg that has been fixed by vegetation forms the Nebraska Sandhills (). Sand seas and dune
Erg (tug) Halifax Harbour and is the greatest loss of life in regards to a shipwreck within these waters. Upon inspection, it was decided that "Erg" was beyond repair and on August 24, 1943, she was taken to her final resting place and sunk for the third and final time. The "Erg" shipwreck site was rediscovered in 2001 in the northern part of the Bedford Basin (near Roach Cove) by the Nova Scotia Exploration Society. The site is a protected heritage site and is visited by many divers. Objects which were recovered from "Erg", such as the ships' whistle and portholes are