The following data is extracted from Compiled Military Service Records, Rough Riders, Spanish American War.
Compiled military service records for 1,235 Rough Riders, including Teddy Roosevelt have been digitized. The records include individual jackets which give the name, organization, and rank of each soldier. They contain cards on which information from original records relating to the military service of the individual has been copied. Included in the main jacket are carded medical records, other documents which give personal information, and the description of the record from which the information was obtained.
Daniel J. Zigler, in the 1st U. S. Volunteer Cavalry (Rough Riders) during the Spanish American War., 05/01/1898 - 09/30/1898
Source: Compiled Military Service Records, Rough Riders, Spanish American War