Relief is shown by form lines, hachures, and spot heights. Prime meridian: Ferro. Scale based on Russian versts. Danube or Caucasus grids. Three classes of railroads, four classes of roads or tracks, and oil pipelines. Also, four types of boundaries: international, Trans Caucasian S.F.S.R., S.S.R. and Krai, A.S.S.R.and oblast. Includes sources of map, indexes to boundaries and adjoining sheets.