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Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS, 3rd Edition by Michael D. Kennedy

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Environment and Measurement (Spatial Data)
  • Use the back wall of the lab as southern latitude.
  • Use a Cartesian coordinate system.
  • Consider the intersection of the back wall and the “west” wall as the Cartesian point (1000,2000).
  • For each location’s easting, measure perpendicularly from the west wall to the center of the cross on the sticky note.
  • For each location’s northing, measure perpendicularly from the south wall to the center of the cross on the sticky note.
  • Measure to the nearest 0.01 (one hundredth) of a foot.

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