Rubtsovsk is a city in Altai Krai, Russia, located on the Aley River 281 kilometers southwest of Barnaul. Population: 147,002; 163,063; 171,792; 167,000; 111,000; 38,000.
Wikipedia https://en.wikipedia.org/wiki/Rubtsovsk
Coordinates 51°31'39.455" N 81°13'3.423" E