. Bulletin. Natural history; Natural history. Aug. 1979 Bellrose et al.: Waterfowl and the Changing Illinois Valley = 1903 WIGHTMAN LAKE -, TRANSECT A ly/b RIVER MILE . . = IQJ-J WATER SURFACE = msl 33 0 1,0 EAST SHORE 100 200 300 1400 500 600 700 METERS 800 gdo WEST SHORE fig. 14.—A cross section of each of three lakes— Wightman, Babbs Slough, and Rice—delineating the bottom contours in 1903 and in 1976 or V BABBS SLOUGH TRANSECT C RIVER MILE WATER SURFACE msl 200 300 "iioo" METERS -T- "T" 500 600 700 WEST SHORE 0 1.
. Bulletin. Natural history; Natural history. Aug. 1979 Bellrose et al.: Waterfowl and the Changing Illinois Valley = 1903 WIGHTMAN LAKE -, TRANSECT A ly/b RIVER MILE . . = IQJ-J WATER SURFACE = msl 33 0 1,0 EAST SHORE 100 200 300 1400 500 600 700 METERS 800 gdo WEST SHORE fig. 14.—A cross section of each of three lakes— Wightman, Babbs Slough, and Rice—delineating the bottom contours in 1903 and in 1976 or V BABBS SLOUGH TRANSECT C RIVER MILE WATER SURFACE msl 200 300 "iioo" METERS -T- "T" 500 600 700 WEST SHORE 0 EAST SHORE RICE LAKE TRANSECT D RIVER MILE 137. WATER SURFACE = 200 too ~600~ 100 300 500 700 800 1000 1200 WEST I I SHORE 900 1100 METERS Fig. 1 5.—A cross section of Senachwine Lake, show- ing its bed in 1903 and 1976, and a cross section of Upper Peoria Lake, show- ing bottom elevations in 1903, 1965, and 1976. The deep trench in Upper Peoria Lake is the channel of the river. At Senachwine and other bottomland lakes, the river channel is lateral to their basins. SENACHWINE LAKE TRANSECT B RHER MILE UATER SURFACE = BSl. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
