There is a volunteer who has info about Idaho Mining Accidents and will do lookups. You'll find his contact info at www.gengathering.com
, Idaho, All Counties. You must sign in to find contact info but there is no fee.
The Shoshine County Mining & Smelting Museum, www.staffhousemuseum.com/home/
You can contact the Wallace Public Library and ask about a copy of his obit (if there was one). Successful Searching!