USC&GS A. D. Bache (1871)
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USC&GS A. D. Bache, the second steamer of the United States Coast and Geodetic Survey, was named for Alexander Dallas Bache, a former superintendent of the Survey. She was launched in August 1871 at Wilmington, Delaware, and was in commission from 1871 to 1900.
U.S. Coast and Geodetic Survey ship A.D. Bache, 1889
Results of first deep sea dredging cruise conducted by the Commissioner of Fisheries off the Coast Survey Steamer A. D. BACHE. The results of this first deep sea work by the forerunner of today's NMFS was published in: "Report on the Dredgings in the Region of St. George's Banks, in 1872" by S. I. Smith and O. Harger. Trans. of the Connecticut Academy, Vol. III., Part I, 1874.
USC&GS A. D. Bache (1901)
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USC&GS A. D. Bache (1901-1927), often referred to only as Bache, continued the name of the Bache of 1871 and has been confused, including in the Dictionary of American Naval Fighting Ships, with that ship even though an entirely new hull and boiler were built in 1901 and only the name and some machinery and instruments were transferred to the new hull. The Bache of 1901 was transferred to the U.S. Navy for World War I service between 24 September 1917 through 21 June 1919 when she was returned to the Coast and Geodetic Survey.
C&GS Ship A.D. Bache of 1901 (c. 1916)
Coast and Geodetic Survey Ship Bache in 1922.