. Bulletin of the Essex Institute. Essex Institute; Natural history -- Periodicals; Essex County (Mass. ) -- History Periodicals. 94 BULLETIN OF THE ESSEX INSTITUTE. with what appear to have been blocks of ice or protru- sions from the main mass, sug^gests that there was much detritus in the ice or on its surface, or that these special areas were the outlets of the drainage from above the base of the ice sheet. The occurrence of an esker-like ridge. One Mile-x Fig. 4. A portion of the Barnstablo atlas sheet, sliowinp; the morainal wall on the north imd the \VMsh-j>lain on the south cnclosin
. Bulletin of the Essex Institute. Essex Institute; Natural history -- Periodicals; Essex County (Mass. ) -- History Periodicals. 94 BULLETIN OF THE ESSEX INSTITUTE. with what appear to have been blocks of ice or protru- sions from the main mass, sug^gests that there was much detritus in the ice or on its surface, or that these special areas were the outlets of the drainage from above the base of the ice sheet. The occurrence of an esker-like ridge. One Mile-x Fig. 4. A portion of the Barnstablo atlas sheet, sliowinp; the morainal wall on the north imd the \VMsh-j>lain on the south cnclosinj; Great Pond. Deposits of earlier drift form knolls and hummocks along the south shore. Contour inter- val, 20 feet (from U. S. Geol. Survey). in Great Pond recalls the features of the Saylesville esker (87) and lateral terraces in Rhode Island (Fig. 1), as well as the like features of Cunlifte Pond near 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. Salem, Mass. , Essex Institute
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