Law enforcement agencies Fond explosives after converging on an RV park south of Watford City Monday afternoon.
The Mckenzie County Sheriff's Department says it responded to the Prairie View RV park after a report of someone carrying guns and knives. Authorities arrested Dustin Swartz of Colorado.
They also obtained search warrants for his his vehicle and camper where they found two improvised explosive devices, more guns, 500 rounds of ammo and a bullet proof vest.
Swartz is facing six charges.