id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
gc-452		gc-452		20	.pdf	application/pdf	14620	901	74	Type I includes the si lty-grav elly sands of Unit III , gravell y­ sands (llld snndy-silty gravels of Unit II and gravelly­ sandy interbeds of Unit 1. Unit II	cache/gc-452.pdf	txt/gc-452.txt