You can also send for his Individual Deceased Personnel File (IDPF). As others in this forum have addressed, the info found in an IDPF can be graphic. If you pursue this resource, be prepared for that possibility. Send your request to: US Total Army Personnel Command ATTN: TAPC-PAO (FOIA) 200 Stovall Street Alexandria, VA 22332-0404 Be sure to cite the Freedom of Information Act in your request.
As for the whereabouts of the 83rd Division on 4 July 44, Stanton's WWII Order of Battle states in the Division combat narrative: "The division landed across Omaha Beach France on 19 Jun 44, took over defensive positions, and attacked against strong opposition toward Periers 4 Jul 44. St. Eny fell 9 Jul 44 and the division regrouped along the Ays River 15 Jul 44. The division renewed its attack 26 Jul 44 as part of the Operation COBRA Breakout and in heavy combat crossed the Taute River the next day."