Arkhangelsk Oblast (the Northern Dvina), and the Mezen Bay (the Mezen and the Kuloy). Solovetsky Islands, as well as a number of smaller islands, are located in Onega Bay. Onega Bay and the Dvina Bay are separated by the Onega Peninsula. The Mezen Bay is separated from the main body of the White Sea by Morzhovets Island. Other major islands in the oblast include Shogly Island, Zhizgin Island, Yagry Island, Lyasomin Island, Layda Island, Nikolskiy Island, and Mudyugskiy Island. Almost all of the oblast is covered by taiga, the coniferous forest dominated by pine, spruce, and larch. Large areas in the middle
Arkhangelsk evidence of a stronger case of Russian colonization than previously thought. In the 12th century, the Novgorodians established the Archangel Michael Monastery (named after Michael the Archangel) in the estuary of the Northern Dvina River. The main trade center of the area at that time was Kholmogory, located southeast of Arkhangelsk, up the Dvina River, about downstream from where the Pinega River flows into the Dvina. Written sources indicate that Kholmogory existed early in the 12th century, but there is no archeological material to illuminate the early history of the town. It is not known whether the origin of this