 North Pole-22 is particularly notable for its record drift, lasting nine years.On June 28, 1972 the ice floe with North Pole-19 passed over the North Pole for the first time ever.During such long-term observations by "NP" stations, a lot of important discoveries in physical geography were made, valuable conclusions on regularities and the connection between processes in the polar region of the Earth's hydrosphere and atmosphere were obtained.