Public domain
Government cartographer develops new process for making relief maps. Washington, D.C., Jan. 13. Through a process just perfected by John Braund, Cartographer for the U.S. Coast and Geodetic Survey, relief maps can now be made showing all the details of topography in a form true to nature and which c
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Credit lineGovernment cartographer develops new process for making relief maps. Washington, D.C., Jan. 13. Through a process just perfected by John Braund, Cartographer for the U.S. Coast and Geodetic Survey, re. 1939-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.