Summarize
(C) Items 1-3: (3 pages, handwritten; B-3) Three sketches, not to scale, undated, prepared by unidentified individuals, depict the terrain features of areas where T19, J5, J9, B50, D170, TR71, DC53, and B11 ((possibly elements of Political Staff Department, Headquarters, SVNIA)) are located. Following are reproductions of these sketches