Mississippi River Pool 1 Pool 2 Pool 3 Pool 4 Pool 5 Pool 5a Pool 6 Pool 7 Pool 8 Pool 9 Pool 10 Pool 11 Pool 12 Pool 13 Pool 14 Pool 15 Pool 16 Pool 17 Pool 18 Pool 19 Pool 20 Pool 21 Pool 22 Pool 24 Pool 25 Pool 26 Open River (L&D 26 to Grand Tower) Open River (Grand Tower to the Ohio River)

Illinois River Other Alton Brandon Dresden La Grange Lockport Marseilles Peoria Starved Rock  Saint Croix River Lower Minnesota River

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In 2000 the Long Term Resource Monitoring Program collected 1:16,000-scale true color aerial photographs for the Upper Mississippi and Illinois River floodplains. Adjacent contact prints created from the 9"x9" photo transparencies were scanned at 200dpi. The photos are served as georeferenced .sid images. A free image viewer capable of subsetting, resampling, and exporting the compressed images to georeferenced TIFF images (a .tif image and a .tfw world file) is available.

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