Image found on Find a Grave
Byron C. Hale
Oakdale Cemetery
Oelwein, Fayette County, Iowa
(Oct. 1824 - June 15, 1900).
(source: The Iowa Civil War Soldier Burials Records. This photo is from Oakdale Cemetery.)
He is also listed as being buried in Littleton Cemetery, Perry Township, Buchanan County (source: a cemetery listing for Littleton Cemetery)
WPA 1930's Graves Registration Survey lists him at both cemeteries.