Dear Ms. Higdon,
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We searched the National Archives Catalog and located the series Regimental and Company Books of Civil War Volunteer Union Organizations, 1861 - 1867 in the Records of the Adjutant General's Office, 1762 - 1917 (Record Group 94) that includes a descriptive book, morning reports, and order book of Company K, 1st West Virginia Cavalry, which may indicate where he and his company were during the battle of Gettysburg. For more information, please contact National Archives at Washington, DC - Textual Reference (RDT1) via email at Archives1reference@nara.gov.
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Also, there is a short regimental history in Theodore F. Lang, Loyal West Virginia from 1861 to 1865 (Baltimore, 1895) pages 159-176.
Private Samuel Wheeler wrote some reminiscences of his time in the 1st West Virginia Cavalry. They have been transcribed and published in Lynda Rees Heaton, ed., "War Experiences of Samuel Wheeler, Private in the First West Virginia Cavalry," West Virginia History n.s. 6/2 (Fall 2012): 45-69; 8/1 (Spring 2014): 65-88.
There is an article about the 1st West Virginia Cavalry at Gettysburg: Steven Cunningham and Beth White, "'The Ground Trembled as They Came:' The 1st West Virginia Cavalry in the Gettysburg Campaign," in Mark Snell, ed., "Gettysburg: Regimental Leadership and Command" [special issue], Civil War Regiments: A Journal of the American Civil War 6/3 (1999).
We hope this information is helpful. Best of luck with your research!