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USC&GS Drift
USC&GS ''Drift'' was a United States Coast Survey schooner built in 1876 specifically to anchor in offshore waters to undertake current measurements. She was transferred to the United States Lighthouse Board on May 20, 1893 to become the lightship ''Light Vessel # 97'' or (''LV-97'') on the Bush Bluff station until retirement and sale in 1918 to become the ''W. J. Townsend'' which was scrapped in 1945.
==Construction==
The Coast Survey had recognized that current information had been lacking in publications but had been hindered by both lack of funding and risks associated with mooring vessels in deep waters or along dangerous coasts in order to collect the information. Congress specifically appropriated funding for such work in the 1875-1876 budget under which the 76 foot (schooner ''Drift'' ) was constructed explicitly for this purpose. She was a schooner, in length with a beam of and draft of .
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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