The data published in this report are also presented as a map plate in portable document file (pdf) format (plate 1). The data in this map are for cartographic display of the Atlantic margin of the East Coast of the United States and include data that were not collected for the purposes of the BTM published in this report. The areas covered by the BTM published in this report are outlined in gray in the inset map at the lower right of the map plate. Other data are included for visual display only.