Erg Chebbi Erg Chebbi Erg Chebbi () is one of Morocco's several ergs – large seas of dunes formed by wind-blown sand. There are several other ergs such as Erg Chigaga near M'hamid. Technically all these ergs are within an area of semi-arid Pre-Saharan Steppes and not part of the Sahara desert which lies some distance to the south. In places, the dunes of Erg Chebbi rise up to 150 meters from the surrounding hamada (rocky desert) and altogether it spans an area of 28 kilometers from north to south and up to 5–7 kilometers from east to west lining the Algerian
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