Intro to GPS & GIS -SIU - TOPS Class -38°47’41”N 89°59’46”W -Elevation 557 ft. 
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After GPS and GIS, this item showed up along the banks of the Mississippi River. If you want to knw what it is, email us :)
After GPS and GIS, this item showed up along the banks of the Mississippi River. If you want to knw what it is, email us :)
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Viewed: 3846 times.
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