id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
43693	Schoolcraft, Henry Rowe	Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 Resumed and Completed, by the Discovery of its Origin in Itasca Lake, in 1832			.txt	text/plain	221280	11295	69	No vegetation fit for animal life could take place until the transition, and most of the next series of _secondary_ or _floetz_ In that paper he mentions that the consolidation of all the hard crust of the globe has been effected by _heat_ and _fusion_, extending it to secondary as well as primitive rocks, and mentioning particularly Spanish marble, shell limestone, oolite, and chalk.	cache/43693.txt	txt/43693.txt