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Mathematical Geography by Willis E. Johnson
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by Willis E. Johnson
Publisher: American Book Company 1907
Number of pages: 346
Contents: The Form of the Earth; The Rotation of the Earth; Longitude and Time; Circumnavigation and Time; The Earth's Revolution; Time and the Calendar; Seasons; Tides; Map Projections; The United States Government Land Survey; Triangulation in Measurement and Survey; The Earth in Space; Historical Sketch.