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Points of military significance
The history of the land
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area about Camp area covered army Belvidere map beneath Black Hawk Boone counties bottom Camp Grant Chicago Union clayey contamination contour interval Cross-section of Rock deposited Dixon's Ferry drift dune sand early east ends represent elevations farm feet filled flat flood plain ford Galena Galena and Chicago glacial epoch Illinois inches Indians Killbuck Creek Kings area Kings map Kirkland map Kishwaukee River known lakes land Length of section limestone mantle rock material melted miles Mississippi muddy navigable northwestern numbers old valley Pecatonica River Peter sandstone places Platteville prairie problems quarries railroad rain region about Camp roads Rock River Valley Rockford map Rockford region Rockton settlement settlers shale shallow shown South branches southwest steep slopes Stillman Stillman Valley streams Sugar River temperature terrace timber trenches tributary U. S. Geological Survey upland Vertical scale exaggerated vicinity wagon water-table waukee Winnebago County Wisconsin