. Bulletin of the Essex Institute. Essex Institute; Natural history; genealogy. 80 ways over the trench, and about one hundred and fifty feet in front of the causeway are five low mounds upon which, under the covering of sod, evidence of ancient fires were found. Inside the trench and embankment, near the western side, is a large mound, about fifteen feet high, with a flat top which is about seventy by ninety feet in extent. In all directions, from the large mound to the embankment, are numerous low circular mounds, averaging about forty feet in diameter. The central por-. Fig. 7. tions of the
. Bulletin of the Essex Institute. Essex Institute; Natural history; genealogy. 80 ways over the trench, and about one hundred and fifty feet in front of the causeway are five low mounds upon which, under the covering of sod, evidence of ancient fires were found. Inside the trench and embankment, near the western side, is a large mound, about fifteen feet high, with a flat top which is about seventy by ninety feet in extent. In all directions, from the large mound to the embankment, are numerous low circular mounds, averaging about forty feet in diameter. The central por-. Fig. 7. tions of these mounds are depressed, indicating the sites of the houses of the people who lived inside of the earth- work. The large mound was opened by cutting a trench five feet wide on the eastern side, and gradually widening it to fourteen feet, which width wTas retained well beyond the centre. This trench was carried to a depth of eigh- teen feet, or four feet below the original surface upon which the mound was erected. At the original surface evidence of an extensive fire was noticed. Among the charcoal and ashes were numerous fragments of bones of animals. A few feet above this ash bed a piece of cedar. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Essex Institute. 1n. Salem, Mass. , Essex Institute
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