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
Battle of Bolshie Ozerki of the intervention to involve American forces, though they successfully defended their camp from a Russian attack at Romanovka composed of forces that greatly outnumbered them two months later and inflicted hundreds of casualties during the Suchan Valley Campaign the following month. Allied forces began to withdraw rapidly from northern Russia shortly thereafter. Bolshie Ozerki was a small village situated between the port city of Onega and an important Allied position at Obozerskaya Station, along the Arkhangelsk-Vologda railroad. Because the port of the main Allied base at Arkhangelsk froze every winter, reinforcements had to be brought overland to the front