Source: Official Army Register of the Volunteer Force of the United States Army for the Years 1861, '62, '63, '64, '65. Part VII
Location: 973.741 / Un3r
Last Name:Riggs
First Name:Riley
Middle Name:B.
Rank:First Lieutenant
Death Date:1864 October 9
Regiment:Sixth Regiment, Missouri State Militia Cavalry
Page:27