Topographic instructions of the United States Geological Survey: Kelsh plotter procedures.
Subtitle: instructions in the standard operating procedures for the Kelsh plotter, including a description of equipment.
Published: 1960
Place of publication: [Washington, D.C
Language: eng
Number of pages: 29
Subjects: Surveys -- United States -- Plotting.; Topographical surveying -- United States.; Cartography -- United States.
Notes: Book 3, Mapping procedures; Part 3F, Chapter 3F5.