id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
inhs-292	Telford, Clarence	Third Report on a Forest Survey of Illinois	1926	117	.pdf	application/pdf	25755	1113	70	The lower yield per acre in Illinois forests is due to their predominantly hardwood character—hard- woods averaging less than half the yield of conifers under similar con- ditions. Per- haps 22,000 acres of virgin forest, about one township, remain of the original 15,310,205 acres of Illinois forests.	cache/inhs-292.pdf	txt/inhs-292.txt