id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-312	Richardson, Robert	Changes in the Bottom and Shore Fauna of the Middle Illinois River and its Connecting Lakes since 1913-1915 as a Result of the Increase, Southward, of Sewage Pollution	1921	46	.pdf	application/pdf	15633	821	76	Composition, by weight, of the uranrl total.<i, an mud bottorns, 2 to U feet, pottnrls per acre -- -- Liverpool Lake Thompson Lake Dogfish Lake Quiver Lake 1915 1920 1915 1920 1914 1920 1914 1920 Viviparidae and Pleuro- ceridae 117.0 0 437.9 0 336.0 0 329.7 0 Sphaeriidae 3.7 0 15.6 4.0 10.1 0 16.7 0 Amnicolidae, Valvatidae, etc. 0.5 0 5.3 0 9.0 0 16.7 0 Cbironoroidae 25.6 2.2 8.3 3.6 29.6 8.6 5.5 12.3 Oligochaeta 0 13.6 0 4.5 0 4.4 0.4 1.6 Other insects, worms. Pleurocera sp .................. Channel of lower lake only.	cache/inhs-312.pdf	txt/inhs-312.txt