Ssemugabi, Shadrack. A comparison between resection and trilateration as methods of exten sion of horizontal control / by Shadrack Ssemugabi. - Kampala , 2006. - x, 44 p. : ill. ; 30 cm. Project Report (BSc. Surveying) - Makerere University, 2006. Includes bibliographical references (p. 44). Subjects--Topical Terms: Traverses (Surveying).Aerial photography in road surveying.Distances-- Measurement.Aerial surveys.Aerial photography.Aerial photography in traffic engineering.Triangulation. Dewey Class. No.: 526.33 SSE