How can I import csv data into an existing polygon shapefile using shared sample ID?
I have an existing shapefile of watershed polygons. Each polygon is identified with a unique sample number. How can I import water chemistry values (+25 elements) into the shapefile attribute table from a csv file (each sample has the same sample ID as the corresponding watershed)?
Thank you!
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Answers
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Hi Jeff,
You can right-click on the loaded layer in the Control Center and select the Layer->JOIN menu option to join attributes from a CSV file in to the layer.
Thanks,
Mike
Global Mapper Guru
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