bserved by both Dr.Wilson and Dr. Cresson. Gravel and clayintermixed seemed to have been subjectedto a heat sufficiently intense to form a ce-ment of equal toughness to that of an or-dinary cellar door. They thought, and Iagree with them, that the oblong mound\\;iv constructed at two periods and… … Fig. XVI—Skeleton No. 209; Mound No. 23.A—Copper plate; B—Pipes; C—Pearl beads; D-Bear tusks. gravel has since been affected by ero-sion, and when we examined the struc-ture, we observed the stratum of gravelnear the east and west ends to be 5 feet inthickness, wliile in the center it was but 2or 2…
Archaeology · Ethnology
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![An illustration from The Antiquarian [serial], 1897, leaf 219](https://img.insideoutlibrary.com/img/1024/ia-antiquarianseria01colu-219-110.webp)
