Automated Hydrography in Philadelphia District

by Henry R. Spies, Chf. of Survey Branch; U.S. Army, Corps of Engrs., Philadelphia District, Philadelphia, Pa.,


Serial Information: Journal of the Surveying and Mapping Division, 1977, Vol. 103, Issue 1, Pg. 7-13


Document Type: Journal Paper

Abstract: A completely automated hydrographic surveying and plotting system has been assembled by the Corps of Engineers, Philadelphia District. The development of the system is examined from the evaluation of the earliest electronic positioning equipment to the total system now in use. Components of the system and their functions are described.

Subject Headings: Automation | Hydrographs | Hydrographic surveys | Electronic equipment | Pennsylvania | Philadelphia | North America | United States

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