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Using the USGS National Map to Locate and Download Present-Day and Historical Digital Topographic Maps
Kent Hilbert
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Outline
● Introduce two methods for locating and downloading both historical and present-day topographic maps.
● Provide an example of the usefulness of topographic maps in conducting research.
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Method #1
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Method #2
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Example of Usefulness in Research
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15 min x 15 min topo from 1937
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