Earthquake!

The riverboat now approaches a strange canyon rock formation, which will shortly experience the fearsome earthquake that threatened visitors to Cochise's Stronghold. The walls would shake violently (assisted by a loud soundtrack and the river guide's animated delivery over the public address in the boat) and the precariously perched stone above would tipple and begin to fall. The other stones would then push out towards the river, as if they would give way at any moment. The earthquake scenario originally featured a fearsome dinosaur head that would emerge over the rocks and menace the passing riverboat during the "River of Legends" era. By the time Dick Kraus started working at Legend City, the behemoth's head was still there behind the rocks, but it was so battered and abused that it was impossible to repair and return to the scene. This was very unfortunate, especially since the approaching dinosaur was the ostensible cause of the earthquake in the first place.