tidealmanac
No predictions loaded for 1991. This site serves NOAA predictions from its own store, and this period has not been fetched for Crooked River, Cumberland Dividings yet. Nothing is estimated or interpolated in its place. NOAA's own page for the station has the official table: tidesandcurrents.noaa.gov.

tidealmanac.site/us/ga/crooked-river-cumberland-dividings-8679242/1991

Crooked River, Cumberland Dividings, GA tide table 1991 (printable) · Tide Almanac