Re: Another Search Mission;
He died June 1, 1980 in the city with zip code 30296 - Riverdale, Clayton County, GA.But on Ancestry under a family tree, it said he died June 30, 1980.
You might try contacting the person on RAOGK for Clayton county and ask if obits would be found in the county court house.Explain why you are searching and maybe she will go the extra mile.
You could try sending the library a request for his obituary.
Good Luck Mr. Heyn.