Kargopolsky District subordinated to the central administration of Northern Krai. In 1936, the krai was transformed into Northern Oblast. In 1937, Northern Oblast itself was split into Arkhangelsk Oblast and Vologda Oblast. Kargopolsky District remained in Arkhangelsk Oblast ever since. The district is almost exclusively located in the basin of the Onega River, which is the biggest river in the district, and belongs to the basin of the White Sea. The source of the Onega is Lake Lacha, which is the biggest lake in the district. The northeastern shore of Lake Vozhe, also in the basin of the Onega, belongs to Kargopolsky
Butuan Bay Butuan Bay Butuan Bay is a bay and extension of the Bohol Sea a.k.a. the "Mindanao Sea", in the northeast section of Mindanao in the Philippines. Its main river source is the Agusan River, which empties into the bay at the coastal city of Butuan. Butuan Bay is completely contained with the Agusan del Norte province. Butuan Bay has only two major ports, the Port of Nasipit in Nasipit and the Port of Masao a.k.a. "Masao River Port" in Butuan City. The Port of Masao is Butuan City's seaport, and it was built to avoid having the city depend on