In April 1862, this small garrison was made up of the 71st Ohio Volunteers commanded by Col. Rodney Mason.

He served in the Mexican War as a second lieutenant in the 2nd Ohio Volunteers.

Born in Pennsylvania, he served with the 41st Ohio Volunteers.

Brief History of the 46th Ohio Volunteers (S.l.: s.n.), 1878.

When the Mexican-American War broke out Hamer volunteered as a private in the Ohio Volunteers.

History of the 4th Regiment of Ohio Volunteers.

Brief History of the 46th Ohio Volunteers.

Printers, 1881 (reprinted as 8th Ohio Volunteer Infantry.

In 1861 he enlisted in the Union Army in the Civil War (Ohio Volunteers).

However, when the Mexican-American War erupted, he left his law office and enlisted in the military as a private in the 1st Ohio Volunteers.