Created as a Department Jarch 2, 1867.
Wade an Office of the Interior Department July 1, 1869.
HENRY BARNARD, LL. D.,
March 11, 1867, to March 15, 1870.
JOIIN EATON, VII. D., LL. D.,
March 16, 1870, to August 5, 1886.
NATHANIEL I. R. DAWSON, L. H. D.,
August 6, 1886, to September 3, 1889.
WILLIAM T. HARRIS, LL. D.,
September 12, 1889, to date.