Here, the brothers built a chemical-pharmaceutical plant, which drew up the birch tar and wood vinegar.
[clarification needed] The Brother's development of the area led their name being used refer to the river and the street along it.
In the lower reaches of the banks are industrial enterprises, including a Vulcan Inc. plant, a Bavarian brewery, and others.
The left bank is equipped with a wooden pile fastening, which has become unfit for duty or almost completely destroyed.
Surrounding areas are covered with large boulders, pebbles, gravel and construction debris.
From 1963 to 1976, the river bank was fortified with more durable materials in the form of a low granite wall with a light pile foundation and a gentle green slope.
Downstream 340 metres (1,120 ft) from the Little Petrovsky Bridge along the right bank, including the tip of Cape Leontief, was a reinforced concrete retaining wall, which is now virtually destroyed.