C. C. Lowry Starting up a Small Hydrographic Service: The Story of the New Zealand Surveying Service PDF
Vicharn Desakorn Progress achieved by the Hydrographic Department of the Royal Thai Navy during the last five years (1952-1957) PDF
Ian A. Miller Two-Range Decca installed on the Hydrographic Vessel « KAPUSKASING » (Canada): 1956 Season PDF
H. Arnold Karo Sesquicentennial of Coast and Geodetic Survey - Symposium: I. — Development and Use of Photograimimetry in the Coast and Geodetic Survey PDF