Contour map of the Caribbean from soundings by C&GS; Steamer BLAKE and FishCommission Steamer ALBATROSS. Both ships used Sigsbee Sounding Machine. In:Three Cruises fo the BLAKE by Alexander Agassiz, 1888. P. 98. Library CallNumber QH 93.A26 1888
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Date: 1885
Credit: NOAA Central Library
Subject: Charting
Subject: Soundings
Subject: Bathymetry
Subject: Mechanical