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Title: Connecticut River: Higganum to Rocky Hill, Connecticut.
Publisher: United States. Coast and Geodedic Survey. Washington D.C.?
1 map; 95 x 567 cm.
Notes: Depth shown by soundings and relief by contours. Includes notes on soundings, tides, and authorities. "U.S.C. & G.S. 255" "W.W. Duffield, Superintendent. Verified Andrew Braid Assistant in charge of Office, J.F. Moser, Lieut. Comdr. U.S.N., Hydographic Inspector."