Iowa authorities seized nearly nine pounds of marijuana during a traffic stop near Dubuque this weekend.
A big marijuana bust on a highway in Oklahoma this week involved marijuana products purchased in Colorado.
Authorities have arrested two people after a search of a home in the southeastern Colorado town of Haswell turned up about 1,200 marijuana plants.
A man and woman from Denver have been accused of trying to smuggle marijuana over the U.S.-Mexico border in separate incidents.
Investigators recently found 55 pounds of marijuana after searching a small plane in Boulder.
Authorities say a Colorado man is facing a felony charge after about 68 pounds of dried marijuana were found in his car during a traffic stop in southeast Wyoming.