08-04-2015, 10:07 PM
Hello malcal1211, this might give you a little to go on. According to Stanton's WWII Order of Battle the 342nd Engineer General Service Regiment was:
Activated on 12 APR 1942 at Camp Claiborne LA
Staged at Ft. Dix NJ on 2 JUN 1942
Departed New York P/E on 1 JUL 1942
Arrived in England 12 JUL 1942
Landed in France 12 JUN 1944
Crossed into Belgium 23 DEC 1944
Returned to France 2 JAN 1945
Reentered Belgium 9 JAN 1945
Inactivated in France 6 MAY 1946
Campaigns: Normandy, Northern France, Rhineland,Ardennes-Alsace
August 1945 Location: Leige Belgium
Hope this helps you some, good luck with your search!