Hi,
There are few Elmore County Cemeteries that are on the Internet.

I'd contact the following organizations for more info.
Elmore County Historical Museum, Mountain Home, ID, 208-587-6847.

Glenns Ferry Historical Museum, Glenns Ferry, 208-366-2760.

Idaho Genealogical Society, 208-384-0542.

Mountain Home Public Library, 208-587-4716.

Family History Center, Mountain Home, 208-587-8391. Successful Searching!