Wednesday, April 22, 2009

Infrared Aerial photo


http://www.umesc.usgs.gov/data_library/gis_data/aerial_photos/1994_illinois_river_72dpi/la_grange/181-007-lg-1994.jpg

Infrared aerial photos are used to determine the change that could occur to certain areas, and can be used to notice things that are not normal. This is a picture of water quality in a water plant.

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