Abstract
The altitude of a post-glacial coastal ten ace is revised to 29 ± 1 ft above mean sea level. A log dated at 4,720 ± 70 yr B.P. was found in estuarine gravel 7 ft below the terrace surface ¼ mile inland. Tectonic uplift is certain, probably at a rate of about 6 ft/1,000 yr.

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