Gannett, Henry, 1846-1914. by Henry Gannett. From its Annual report, 19th, part V, pl. II. Relief shown by contours. The Survey.
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compiled and drawn by Survey Depot (Tech.) S.A.E.C., 1944 ; prepared and drawn by the Trigomnometrical Survey Office, 1953. English and Afrikaans. The Survey.
Mendenhall, Thomas C. (Thomas Corwin), 1841-1924. T.C. Mendenhall, superintendent. "June 1893." "Topography executed between 1854 and 1891. Hydrography [executed between] 1851 and 1891." Relief sho... The Survey.
Mendenhall, Thomas C. (Thomas Corwin), 1841-1924. T.C. Mendenhall, superintendent. "June 1893." "Topography executed between 1854 and 1891. Hydrography [executed between] 1851 and 1891." Relief sho... The Survey.
F.M. Thorn, superintendent ; verified B.A. Colonna, assistant in charge of Office. "Issued June 1886." Relief shown by hachures and shading; depths... The Survey.
"Issued March 1888." "Topography ... between 1869 and 1874. Hydrography ... 1872 and 1886." Relief shown by hachures, shading and spot heights; dep... The Survey.
Relief shown by hachures and form lines. Depths shown by soundings. Inset: Hunter Cove, Oregon. "No. 5923." "Plate No. 2178.". The Survey.
Relief shown by contours and spot heights; depths shown by soundings. Also shows drainage, topographical features, and settlements. Includes notes ... The Survey.