1Peter B. Porter to Thomas Jefferson, 25 January 1811 (Jefferson Papers)
Erie Canal [index entry]
2Theodorus Bailey to Thomas Jefferson, 18 March 1811 (Jefferson Papers)
Erie Canal [index entry] maps; of projected Erie Canal [index entry]
3Theodorus Bailey to Thomas Jefferson, 2 April 1811 (Jefferson Papers)
Erie Canal [index entry] maps; of projected Erie Canal [index entry]
4Theodorus Bailey to Thomas Jefferson, 2 May 1811 (Jefferson Papers)
Erie Canal [index entry] maps; of projected Erie Canal [index entry]
Erie Water West: A History of the Erie Canal, 1792–1854
6To James Madison from Isaac Briggs, 16 May 1812 (Madison Papers)
...national capital in the 1790s, and Jefferson had appointed him to survey parts of the Louisiana Purchase in 1803 and 1804. Later in his life Briggs worked as an engineer on many canal projects, including the construction of the Erie Canal (Ella Kent Barnard, “Isaac Briggs, A.M., F.A.P.S.,”
7Isaac Briggs to Thomas Jefferson, 16 February 1816 (Jefferson Papers)
...Briggs’s expenses himself. The legislature did not vote to settle his federal accounts until 1818. Briggs resigned his federal surveyorship in 1807 and returned to other business ventures. He worked as an engineer on a section of the Erie Canal, and when that was completed in 1819 he moved to
8Thomas Jefferson to James Oram, 29 February 1816 (Jefferson Papers)
parade celebrating the completion of the Erie Canal, he was described as “the oldest printer in the city” (John Flavel Mines,
9Thomas Jefferson to Gouverneur Morris, 20 October 1816 (Jefferson Papers)
promoted the construction of the Erie Canal