Relief shown by spot heights.; Map cut into 27 sections and mounted on cloth.; Prime meridian not known, but not based on Greenwich.; "Olekminskii? zolotopromyshlennyi? rai?on', perechislena 18 i?änvar i?ä 1898 g., po osobomu."; "Ispolnena v' kartografii?ä zav D. M. Rudneva S.P.B Nov per."; Indexed.; Includes notes. 75 x 172 centimeters Scale approximately 1:3,660,000 General Map Collection