-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
water area of region
-
ridges of region
-
ridges of region
-
ridges of region
-
ridges of region
-
ridges of region
-
waterstreams, hydrology of region
-
waterstreams, hydrology of region
-
waterstreams, hydrology of region
-
Verhnya Angara a basin hydrography