Identifying himself with the Democratic party, he served in the state House of Representatives in 1848, and was a prominent member of the convention for the revision of the state constitution in 1850-1851, a representative in Congress (1851-18s5), commissioner of the United States General Land Office (1855-1859), a United States senator (1863-1869), and governor of Indiana (1873-1877).
The city has a public library and a public park, and there is a U.S. Land Office here..
There is a general land office at Austin under the charge of a commissioner.
A board of three tax commissioners has supervision of methods of assessment within the state, and with the commissioners of the land office constitutes the state board of equalization.
At the close of his term in 1848 he declined an appointment as governor of the newly organized Territory of Oregon and for a time worked, without success, for an appointment as Commissioner of the General Land Office.