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![Improved Form of Sub Current Apparatus Devised for use of the Coast Surveyby H cgs05640.jpg Improved Form of Sub Current Apparatus Devised for use of the Coast Surveyby H](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs05640.jpg?itok=N_jTBAjd)
Description
Improved Form of Sub Current Apparatus Devised for use of the Coast Surveyby H. Mitchell, Asst. 1859. Figure No. 40. An Improved Form of Pile forSecuring Structures in the Sea Devised for the use of the Coast Survey by H.Mitchell, Asst. 1859.
Collection
Historic Coast & Geodetic Survey
Historic Maps
General
Keywords
Historical Cartography