1. Bottom sediments on the continental shelf off the northeastern United States, Cape Cod to Cape Ann, Massachusetts Yale Public content 1973. 2012-11-30T21:08:49Z. 2023-02-09T21:27:15Z. Schlee, John Stevens, 1928-. Dept. of the Interior, U.S. Geological Survey. English. Public. Atlantic Coast (Mass.) and Massachusetts.