Clendinning, James, 1888- The principles of surveying / by J. Clendinning and J. G. Olliver. - 3rd ed. - London : Blackie, 1966 [reprinted1967] - xv, 463 p. : ill. ; 22 cm. Includes index Subjects--Topical Terms: Surveying. Dewey Class. No.: 526.9 / CLP 1967