Stones are sometimes hard to read and sometimes disappear.
The Veteran's records, census mortality schedules, obituaries, cemetery records, family records, plus other sources may have been used in compilations of burials. It was done 60 years ago and there are tombstones listed in it that no longer exist. There are tombstones listed in it that were in error and never did exist. Never use the WPA source without collaborating it with other records. If you can help identify any of them, please send your documentation.