The Humboldt County Sheriff's Department said Wednesday 111 firearms had been discovered during a search Tuesday. At least 20 of them were stolen, according to the department. Ammunition, body armor and $12,000 in cash were also in the cave, along with 117 pounds of dried marijuana.
The entrance to the cave was concealed by brush. Sheriff's investigators think the weapons and drugs were meant for the black market.
The resident of the 55-acre property, Ryan Floyd, was arrested on a probation violation from earlier gun and marijuana charges. A search warrant for the property was then obtained. Authorities were seeking Floyd in connection to an abandoned stolen truck on Feb. 2 after a deputy tried to pull it over.
An initial search turned up a handgun, 45 pounds of marijuana and enough empty gun cases that investigators decided to go back for a more thorough search, which led them to the cave stash. They also recovered jewelry, tractors and other items that Humboldt residents have reported as stolen.
Humboldt County prosecutors have charged Floyd, 30, with seven felony drug and weapons charges, although Knight said more charges are pending. He remains jailed on $400,000 bail.
The Associated Press contributed to this report.