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The Aldan River

The source of the Aldan River, the right tributary of the Lena, is located on one of the 25._____________(NORTH) slopes of the Stanovoy Range, about 1,400 meters above sea level. The Aldan is one of the largest Siberian rivers. Almost all of the Aldan is fit for 26._____________(NAVIGATE), which lasts from June through October.

The first settlements that we know of appeared here approximately 35–40 thousand years ago. Multiple sites that are more recent have also been found here, namely of the Iron and Bronze Ages. At the 27._____________(BEGIN) of the 17th century, the first Russian 28._____________(EXPLORE) and settlers started coming here: they were moving along the Aldan to the Amur, and then farther to the east, to the Pacific Ocean.

Near the Guskengre estuary between its 7th and 18th meters, you can see ancient drawings that date back to the period from the 3rd millennium BC till the 1st millennium AD. 29._____________(SCIENCE) have counted 112 drawings, many of them depict moose or deer.

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