The next day water conditions change and the structures are lost to the murkiness and silt of the lake. Top 1900 -1930's Various sightings of pyramid structures by local residents. Also first aerial sighting reported by civilian and military pilots. Local school teacher does first research and hires members of the university swim team to free dive on the structures. One of the Wilson brothers helps the group find the structure and several swimmers dive to it and confirm it's existence.
Teacher becomes a town celebrity.
Lake Mills then becomes a center of statewide attention as newspapers run articles. The divers spend all day find nothing and locals claim fraud . Teacher is forced to resign. He comes upon a tall cone shape pyramid in the south end of the lake. The structure made of small stones looked like an upside down ice cream cone that was definitely manmade according to Nohl.