Depths shown by bathymetric soundings.; "25 Congress 2 Session S. Doc. Number 73."; "Surveyed in August 1836, under the direction of Lt. Col. S.H. Long, by Lieuts. J.F. Cooper and J.L. Donaldson."on sheet 35 x 44 centimetersJPEGUMN_ALMA:9973346202501701engPublisher not identifiedPublicCobscook Bay, MaineMapsMaineUniversity of Minnesota