World History Maps Interactive Historical Atlas of the Civil War, detail page for:

Idaho, Territory Mar 3, 1863 - after Jun 25, 1865

Bear River, battle, Jan 29, 1863
William Henson Wallace US Governor, Mar 10, 1863 - Feb 1, 1864

Caleb Lyon US Governor, Feb 26, 1864 - after Jun 25, 1865