Moscow: Publishing Office, 1969. Octavo, 290 pages + portfolio containing 11 folded leaves. In Good condition. Spine is brown with brown print on cream banner. Boards in mylar sleeve, brown illustrated cloth. Slight warping. Illustrated: b&w, 11 color folded maps. Text in Russian. English title and publishing information from title page verso. "Academy of Sciences of the USSR, Order of the Red Banner of Sabur, Geological Institute"-- title page verso. Accompanied by portfolio (grey cardboard) containing 11 folded color maps. NOTE: Shelved in Netdesk Column C. More