id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-200	Bellrose, Frank C.	Duck Populations and Kill: an Evaluation of Some Waterfowl Regulations in Illinois	1944	54	.pdf	application/pdf	16881	783	67	Of all kinds of Illinois ducks, mal- lards and black ducks, considered to- il gether, were found through this study , to be the least vulnerable to hunting, I table 2. As indicated by band returns, the shot- gun mortality, the first season, of 27,680 fall banded mallards was 2.9 per cent in 1939; 6.8 per cent in 1940; 2.6 per cent cent in 1941; 7.0 per cent in 1942; and Photo by Bob Becker Mallard and pintail blocks, or wooden decoys, being picked up in a marsh smartweed area that has yielded large kills of Illinois River valley ducks.	cache/inhs-200.pdf	txt/inhs-200.txt