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Todd, J. E. (James Edward), 1846-1922. Geologic map of South Dakota (glacial and economic) / by J.E. Todd.

Title: Geologic map of South Dakota (glacial and economic) / by J.E. Todd. 1893.

ArchivalResource: 1 map : col. ; 42 x 63 cm., on sheet 54 x 71 cm.

http://www.worldcat.org/oclc/122380811 View

Todd, J. E. (James Edward), 1846-1922. Geologic map of South Dakota (preglacial) / by J.E. Todd.

Title: Geologic map of South Dakota (preglacial) / by J.E. Todd. 1893.

ArchivalResource: 1 map : col. ; 42 x 63 cm., on sheet 54 x 71 cm.

http://www.worldcat.org/oclc/122380806 View

Smithsonian Institution. Office of the Secretary. Correspondence, 1865-1891

Title: Correspondence, 1865-1891

This record unit consists of outgoing correspondence from the Office of the Secretary during the tenures of Joseph, Henry, 1846-1878; Spencer Fullerton Baird, 1878-1887; and Samuel Pierpoint Langley, 1887-1906.

ArchivalResource: 46.06 cu. ft. (62 document boxes) (68 3x5 boxes) (243 microfilm reels)

https://siarchives.si.edu/collections/siris_arc_216647 View

Smithsonian Institution. Office of the Secretary. Correspondence, 1863-1879

Title: SIA RU000026, Smithsonian Institution Office of the Secretary, Correspondence, 1863-1879

This series consists mostly of correspondence addressed to Joseph Henry, much of which received his personal attention; also included are some copies of Henry letters, occasional returned original Henry letters, and a considerable number of letters to Spencer Fullerton Baird.

ArchivalResource: 59.56 cubic feet

https://siarchives.si.edu/collections/siris_arc_216640 View

Smithsonian Archives. Ru 52: Assistant Secretary, Incoming Correspondenc.

Title: Smithsonian Archives. Ru 52: Assistant Secretary, Incoming Correspondenc.

ArchivalResource: