id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-309	Forbes, Stephen; Gross, Alfred	The Orchard Birds of an Illinois Summer	1921	18	.pdf	application/pdf	4482	144	63	The distances traveled on all these several journeys were 7.8 miles through farm orchards and 129 miles through commercial orchards, and in both cases all the birds on a strip sixty feet wide were deter- mined and counted. Orchards were much less numerous, especially in northern Illinois, than in the southern part of the state, the area of farm orchards covered aggregating only 3.69 acres for the northern and 14.14 for the central part of the state, the former .07 of 1 per cent, and the latter .3 of 1 per cent, of the whole area on which the birds were determined and counted.	cache/inhs-309.pdf	txt/inhs-309.txt