William Dodge was a Private in Co. G., !2th Wis. Infantry. He enlisted September 23, 1861, and was mustered out July 13, 1865. 
This company was organized in Madison Wi. It went to Fort Leavenworth KS, and then to Fort Scott KS in March of 1862. 
It was in Grants Central Mississippi Campaign, and then was involved in guard duty along the Memphis and Charleston Railroad until March of 1863. It was in Vickburg MS May 11, and participated in the seige of Vicksburg May 22-July 4, 1863. Then came the capture of Fort Beauregard Sept. 4 and back to Vicksburg until April 1864. It saw more action until it was disbanded in July 1865, but William was in the hospital from June 21 1864 to Feb.28, 1865. 
He reenlisted as a veteran on Jan3, 1864. 
The Regiment lost 3 officers and 93 enlisted men killed and 3 officers and 224 enlisted men by disease. 
William contracted "chronic diarrhea caused by hard service and exposure" and was hospitalized in Memphis TN during July 1863. 
Later he received a hernia on his left side caused by unloading a consignment from a steamboat at Natchz MS on or about Oct. 15, 1863. 
Other hospitalizations: 
March 13, 1863 - Jaundice and diarrhea 
Nov. 2, 1864 to Dec. 5, 1864 - Chronic diarrhea 
Feb. 11, 1865 - Pneumonia 
Mar 3, 1865 - Acute bronchitis