The Sumerians lived in Mesopotamia around 4000 BC. Mesopotamia or the Fertile Crescent was a region in the Middle East between the Tigris and Euphrates rivers, in the territory of modern Iraq, Iran and Syria.
While nearly all the archipelago is part of Alaska and is usually considered as being in the  Alaskan Bush , at the extreme western end, the small, geologically related Commander Islands belong to Russia.The islands, with their 57 volcanoes, are in the northern part of the Pacific Ring of Fire.Physiographically, they are a distinct section of the larger Pacific Border province, which in turn is part of the larger Pacific Mountain System physiographic division.hile nearly all the archipelago is part of Alaska and is usually considered as being in the  Alaskan Bush , at the extreme western end, the small, geologically related Commander Islands belong to Russia.
Aleutian Islands. The Aleutian Island chain extends from the Alaska Peninsula almost 1,500 km to the east between the Bering Sea and the Gulf of Alaska.It is composed of a series of sedimentary islands capped by steep volcanoes.Elevations range from sea level to over 1,900m, with the higher volcanoes glaciated. Vegetation at the higher and more exposed areas consists of dwarf shrub communities codominated by willow (Salix spp.) and crowberry (Empetrum nigrum).t is composed of a series of sedimentary islands capped by steep volcanoes. Elevations range from sea level to over 1,900m, with the higher volcanoes glaciated. Vegetation at the higher and more exposed areas consists of dwarf shrub communities codominated by willow (Salix spp.) and crowberry (Empetrum nigrum).