Original sentence: By 1968, the population of the settlement had risen to 3,700 , however, with the closure of the mine, the settlement was abandoned in 1998, with the remaining population moving to the much larger town of Pevek 12Km up the coast to the North.The town has been abandoned since 1998  and the 2002 Russian census shows a population of nil.Valkumey () was an urban-type settlement founded in 1941  located on the shores of Chaunsky Bay, part of the East Siberian Sea in the Chaunsky District (Rayon) a subdivision of the Chukotka Autonomous Okrug in the Far Eastern Federal District of Russia
Edited sentence: By 1968, the population of the settlement had risen to 3,700.However, with the closure of the mine, the settlement was abandoned in 1998, with the remaining population moving to the much larger town of Pevek 12Km up the coast to the North.The town has been abandoned since 1998   Population.Valkumey () was an urban-type settlement founded in 1941  located on the shores of Chaunskaya Bay, part of the East Siberian Sea in the Chaunsky District (Rayon) a subdivision of the Chukotka Autonomous Okrug in the Far Eastern Federal District of Russia