The Russian inland BOR-200 tug according to a CIA report dating from the 1950s

An item referred to the publication Susa Novykh Tipoc dlya Bol’shoy Volgi, written by A.P. Strakhov, Moscow 1954 dealing with new kind of ships to serve on the Volga. The river channel would in the future be changed caused by constructing of hydroelectric power projects and corresponding attendant reservoirs. So in this manner were new types of river ships needed including several types of screw steam and diesel tugs. The new tugs were be stronger and their propulsion more economical despite it were vertical steam engines or internal combustion diesel engines. One such new type was the lake river single screw steam tug BOR-200 fitted out with the 200/300 ihp MP 10 engine and a water tube with an increased steam pressure and a heating surface of 85 square metres. These tugs were able to operate in large lakes and reservoirs and in the mouth of large rivers.

Source
The report was published on www.archive.org, document number CIA-RDP81-00280R000200210013-9