1. Harbors in Clarence Strait, S.E. Alaska Maps University Of Minnesota Public content 1886. U.S. Coast and Geodetic Survey. Depth shown by soundings and isolines.; "No. 708."; "Printed Jan. 7, 1887. Issued from chart room 2-24-1888." 53 x 83 centimeters Scale 1:40,000; S... U.S. Coast and Geodetic Survey (Washington, D.C).