Bolva
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Bolva
The Bolva (russian: Болва) is a river in Kaluga and Bryansk Oblasts in Russia. It is a left tributary of the Desna. It is 213 km in length, with a drainage basin of 4340 km².Болва
The river has its sources on the , and flows in a southerly direction to its confluence with the Desna in the city of . The river also flows through the towns of

Desna (river)
The Desna (russian: Десна́; uk, Десна) is a river in Russia and Ukraine, a major left-tributary of the Dnieper. Its name means "right hand" in the Old East Slavic language. It has a length of , and its drainage basin covers .Десна
.
In Ukraine, the river's width ranges from , with its average depth being . The mean annual discharge at its mouth is . The river freezes over from early December to early April, and is navigable from to its mouth, a length of about . The water level of ...
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Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the world, with its internationally recognised territory covering , and encompassing one-eighth of Earth's inhabitable landmass. Russia extends across Time in Russia, eleven time zones and shares Borders of Russia, land boundaries with fourteen countries, more than List of countries and territories by land borders, any other country but China. It is the List of countries and dependencies by population, world's ninth-most populous country and List of European countries by population, Europe's most populous country, with a population of 146 million people. The country's capital and List of cities and towns in Russia by population, largest city is Moscow, the List of European cities by population within city limits, largest city entirely within E ...
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Kaluga Oblast
Kaluga Oblast (russian: Калу́жская о́бласть, translit=Kaluzhskaya oblast) is a federal subject of Russia (an oblast). Its administrative center is the city of Kaluga. The 2021 Russian Census found a population of 1,069,904. Geography Kaluga Oblast lies in the central part of the East European Plain. The oblast's territory is located between the Central Russian Upland (with and average elevation of above and a maximum elevation of in the southeast), the Smolensk–Moscow Upland and the Dnieper– Desna watershed. Most of the oblast is occupied by plains, fields and forests with diverse flora and fauna. The administrative center is located on the Baryatino-Sukhinichy plain. The western part of the oblast — located within the drift plain — is dominated by the Spas-Demensk ridge. To the south is an outwash plain that is part of the Bryansk-Zhizdra woodlands, with average elevation up to 200 m. From north to south, Kaluga Oblast extends for more th ...
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Bryansk Oblast
Bryansk Oblast (russian: Бря́нская о́бласть, ''Bryanskaya oblast''), also known as Bryanshchina (russian: Брянщина, ) is a federal subjects of Russia, federal subject of Russia (an oblast). Its administrative center is the types of inhabited localities in Russia, city of Bryansk. As of the Russian Census (2021), 2021 Census, its population was 1,169,161. Geography Bryansk Oblast lies in western European Russia in the central to western parts of the East European Plain, on the divide between the Desna River, Desna and Volga River, Volga drainage basin, basins. The oblast borders with Smolensk Oblast in the north, Kaluga Oblast in the northeast, Oryol Oblast in the east, Kursk Oblast in the southeast, Chernihiv Oblast, Chernihiv and Sumy Oblasts of Ukraine in the south, and with Gomel Region, Gomel and Mogilev Region, Mogilev Oblasts of Belarus in the west. The relief is a typical East European Plain landscape, with alternating rolling hills and shallo ...
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Tributary
A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage basin of its surface water and groundwater, leading the water out into an ocean. The Irtysh is a chief tributary of the Ob river and is also the longest tributary river in the world with a length of . The Madeira River is the largest tributary river by volume in the world with an average discharge of . A confluence, where two or more bodies of water meet, usually refers to the joining of tributaries. The opposite to a tributary is a distributary, a river or stream that branches off from and flows away from the main stream."opposite to a tributary"
PhysicalGeography.net, Michael Pidwirny & S ...
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Drainage Basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the '' drainage divide'', made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, "watershed" is used only in its original sense, that of a drainage divide. In a closed drainage basin, or endorheic basin, the water converges to a single point inside the basin, known as a sink, which may be a permanent lake, a dry lake, or a point where surface water is lost underground. Drainage basins are similar ...
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Great Soviet Encyclopedia
The ''Great Soviet Encyclopedia'' (GSE; ) is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Bolshaya rossiyskaya entsiklopediya'' (or '' Great Russian Encyclopedia'') in an updated and revised form. The GSE claimed to be "the first Marxist–Leninist general-purpose encyclopedia". Origins The idea of the ''Great Soviet Encyclopedia'' emerged in 1923 on the initiative of Otto Schmidt, a member of the Russian Academy of Sciences. In early 1924 Schmidt worked with a group which included Mikhail Pokrovsky, (rector of the Institute of Red Professors), Nikolai Meshcheryakov (Former head of the Glavit, the State Administration of Publishing Affairs), Valery Bryusov (poet), Veniamin Kagan (mathematician) and Konstantin Kuzminsky to draw up a proposal which was agreed to in April 1924. Also involved was Anatoly Lunacharsky, People's Commissar of Education ...
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Smolensk Ridge
Smolensk ( rus, Смоленск, p=smɐˈlʲensk, a=smolensk_ru.ogg) is a city and the administrative center of Smolensk Oblast, Russia, located on the Dnieper River, west-southwest of Moscow. First mentioned in 863, it is one of the oldest cities in Russia. Population: The city has been destroyed several times throughout its long history because it was on the invasion routes of various empires. Smolensk is known for its electronics, textiles, food processing, and diamond faceting industries. Etymology The name of the city is derived from the name of the Smolnya River. Smolnya river flows through Karelian and Murmansk areas of north-western Russia. The origin of the river's name is less clear. One possibility is the old Slavic word () for black soil, which might have colored the waters of the Smolnya. An alternative origin could be the Russian word (), which means resin, tar, or pitch. Pine trees grow in the area, and the city was once a center of resin processing an ...
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Bryansk
Bryansk ( rus, Брянск, p=brʲansk) is a city and the administrative center of Bryansk Oblast, Russia, situated on the River Desna, southwest of Moscow. Population: Geography Urban layout The location of the settlement was originally associated with navigable river-routes and was located in the area of the Chashin Kurgan, where the fortress walls were erected. For reasons that have not yet been clarified, the city changed its location and by the middle of the 12th century had established itself on the steep slopes of the right bank of the Desna on Pokrovskaya Hill (russian: Покровская гора). The foundations of the future urban development of the city were laid even earlier, when around the city-fortress in the 17th century after the Time of Troubles of 1598-1613 on the coastal strip at the foot of the Bryansk fortress the posadskaya "Zatinnaya Sloboda" was upset, and on the upper plateau, between Verkhniy Sudok and White Kolodez - the "Streletskaya Sloboda". ...
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Dyatkovo
Dyatkovo (russian: Дя́тьково, ) is a town and the administrative center of Dyatkovsky District in Bryansk Oblast, Russia. Population: History It was first mentioned in 1626, but it mostly stagnated until 1785, when after the death of Akim Vasilyevich Maltsov, his widow, Marya, bought out a factory from Yevdokiya, the widow of Alexander Vasilyevich Maltsov, and decided to expand its production. In 1790, in a forest near Dyatkovo, Marya Maltsova built the now famous glass and crystal factory, the quality of products of which was comparable to that of the plant in Gus. The workers' settlement around the plant soon grew in size and absorbed the village of Dyatkovo. In 1798, the ownership of the company passed to Ivan Akimovich Maltsov, who created an entire industrial empire centered in Dyatkovo. In 1853, his business was continued by his son Sergey. By then, 100,000 people were employed by Maltsov's factories, which had their own currency, police force, and a long railw ...
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Fokino, Bryansk Oblast
Fokino (russian: Фо́кино) is a town in Bryansk Oblast, Russia, located on the Bolva River ( Desna's tributary) north of Bryansk. Population: History Town status was granted to it in 1954. Administrative and municipal status Within the framework of administrative divisions, Fokino is incorporated as Fokinsky Urban Administrative Okrug—an administrative unit with the status equal to that of the districts.Law #13-Z As a municipal division, Fokinsky Urban Administrative Okrug is incorporated as Fokino Urban Okrug.Law #69-Z Prior to January 1, 2013, Fokino was administratively incorporated as a town of district significance within Dyatkovsky District Dyatkovsky District (russian: Дя́тьковский райо́н) is an administrativeLaw #13-Z and municipalLaw #3-Z district (raion), one of the twenty-seven in Bryansk Oblast, Russia. It is located in the north of the oblast. The area of the .... References Notes Sources * * * External links *Official websi ...
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Kirov, Kaluga Oblast
Kirov (russian: Ки́ров) is a town and the administrative center of Kirovsky District in Kaluga Oblast, Russia, located on the Bolva River ( Desna's tributary) southwest of Kaluga, the administrative center of the oblast. Population: 29,000 (1970). History The settlement of Pesochnya () was founded in 1745. It was granted town status and renamed Kirov in honor of Sergey Kirov in 1936. Administrative and municipal status Within the framework of administrative divisions, Kirov serves as the administrative center of Kirovsky District, to which it is directly subordinated. As a municipal division, the town of Kirov is incorporated within Kirovsky Municipal District as Kirov Urban Settlement.Law #369-OZ Military The town is home to the Shaykovka (air base) Shaykovka (russian: Шайковка; State airfields index: ЬУБЙ), also given variously as Kirov Shaykovka, Anisovo Gorod, Anisovo Gorodishche, Shaykovo, Shajkovka, Gorodische, Chaikovka, is an airbase of the R ...
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