The wind was out of the west, pushing the fire into the sound stage and west along Kansas Street. Approaches to the fire were restricted by three propane tanks that had vented and were burning. The fire quickly turned into a firestorm with vortices of flames carrying burning shingles and wood throughout the park. Fire control efforts were hampered by high winds. Most of the buildings in the studio were classified as "Temporary Structures," meaning fire prevention devices such as sprinklers were not required. A large propane tank, stashes of black powder used in staging gunfights, and a diesel fuel tank demanded the attention of firefighters and much of the scarce water supply. So much water was used in the attempt to prevent an explosion that the surrounding areas became flooded, further impeding the firefighters as they attempted to wade through the mud. After four hours of firefighting, the flames were extinguished. The loss included all of Kansas Street and Front Street to the wash on the east side, the corner store on the west, and the sound stage. The Mission area was destroyed along with the Greer Garson house and the cantina from Rio Lobo. The south end of town and the Silverlake area were not affected. Damages were estimated to be in excess of $10 million ($15 million in 2013), with 25 buildings destroyed. Fortunately, there were no human casualties.