Note 1748 — Chapter VI · (continued 3)
Reading edition
It has been found convenient to follow an advancing line of geographical succession, but the affiliations of the peoples of the mounds seem to indicate that those dwelling on both slopes and in the valleys of the Appalachian ranges should be grouped together, as Thomas combines them in his section on the mounds of the Appalachian District. (Fifth Rept. Bur. Ethnol.)