Orlando C. Geer wrote this letter to his sister Hattie from camp on the Elk River in Tennessee on July 15, 1863. In it, he discusses his unit's activities from June 24 to July 15, 1863, including their participation in a battle and camp life.

Orlando C. Geer wrote this letter to his sister Hattie from Lavergne, Tennessee on March 15, 1863. In it, he discusses his responsibilities, his feelings about provisioning, the weather, and his health. He also thanks her for her previous letters.

In this letter to his sister, Orlando Geer discusses family matters and veterans' pay in addition to asking for some new tobacco.

In this letter to his sister, Orlando Geer discusses how much he and his fellow soldiers dislike Brigadier General Jim B. Steedman. According to Geer, Steedman is "Like a bad cent returned to us again, this time in the capacity of Brigade Commander while when he left us he was Colonel."

In this letter to his sister Hattie (postmarked Trinne, Tennessee), Orlando Geer describes combat that his unit has seen recently and tells of frustrations caused by Confederate General Nathan Bedford Forrest. According to Geer, ... "the Rebel Gen. Forrest has been very troublesome driving in our calvary picketts and now and then coming right up under our nose and picking up horses and picketts."

In this letter to his sister, Orlando Geer expresses his opinions about news from home and describes the condition of their mutual acquaintances in the army.