At head of title: Lower sheet.
Covers Atlantic Coast from Yarmouth, Maine to Nantucket Island, Massachusetts and west to Rhode Island.
Depth shown by soundings.
Insets: Progress of the survey of Lake Champlain -- Sub-sketch showing the shoalest soundings on Cultivator and Georges Shoals from a reconnaissance in 1872 & 73 -- Sub-sketch showing the position of Davis' Shoal discovered by the U.S. Coast Survey in 1846.
In upper margin: No. 4 -- Plate no. 53.