Authorities say a California woman who was traveling with a 5-year-old has been charged with cocaine possession for sale.

25-year-old Nicole Rhoads was arrested on Saturday. The Nebraska State Patrol says a trooper pulled over Rhoads’ vehicle about two miles west of North Platte on Interstate 80. The trooper says he found about 20 pounds of what he suspected was cocaine in the vehicle. The substance has been sent for tests at the patrol’s crime lab.

The child with Rhoads in the vehicle was turned over to Nebraska authorities.

Lincoln County Jail records say Rhoads remained in custody on Wednesday, pending $500,000 bail. Online court records don’t list the name of her attorney.