Geokriologichskai︠a︡ karta SSSR, masshtab 1:2 500 000, 1991g /
Ershov, Ė. D.(Ėduard Dmitrievich)
Proizvodstvennoe geologicheskoe obʺedinenie "Gidrospet︠s︡geologii︠a︡"
Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova.Kafedra geokriologii.
Moskva: MGU im. M.V. Lomonosova,
c1996.
Includes 5 insets with separate legends.
Frozen ground