Aldan River is the second-longest tributary of the Lena River
The Aldan River is the second-longest tributary of the Lena River in eastern Siberia in the Sakha Republic. The river was part of the River Route to Okhotsk, are the Amga River, Maya River and Uchur River is known for Cambrian fossils. References for gold. 1639 Ivan Moskvitin ascended Maya River s and the Aldan rises in then northeast past Aldan in the Stanovoy Mountains southwest of Neryungri.
Irtysh River is a river, the chief tributary of the Ob River