Water Monster reports from the 1710s
1 case, best-documented first. Page 1 of 1.
We map claims, not creatures. A case is what some source says someone saw or heard, with the link to that source. It is not proof that anything was there, and a retelling counts once, not as a second sighting.

Water Monster · Milan, Tennessee · 1710
Witness reports Captain Laurence do Ferry saw a sea-serpent with feet and a head like a horse.