Hi Gary, John B. Miner died Clatsop Co. 29 July 1964 per death cert #9388, age 80; spouse=Mayme. Source: OR Death Index.
To find out more about the family and find his obituary, I'd contact the Clatsop Co. Gen. Soc., http://home.pacifier.com/~karenl/http://home.pacifier.com/~karenl/. Most gen. soc. will do research for a reasonable fee. Successful Hunting!