I found this obit in the "Times News", Saturday, Nov 3, 1990 pg A6: "Twin Falls--Darrell Rose, 42, of Salem Oregon died Thursday Nov 1, 1990 at the Magic Valley Regional Medical Center [in Twin Falls] of injuries recieved in an automobile accident.
Arrangements are pending and will be announced by Reynolds Funeral Chapel in Twin Falls."
Shoshone is about 35 minutes from Twin Falls and there is no hospital there so he would have been trasported to Twin Falls for treatment. I looked for services in later editions but couldn't find any. Perhaps he was taken back to Salem Oregon for burial. Email me personally if you have questions.