roy rogers and company try to bring sintown back to life it a ghost town which may go boom if silver mining be successful . andy devine ( a cookie ) slapsticks around . jane frazee ( a carol ) lose a piece of her bitch to mr. rogers sharp leer . foy willing and the rider of the purple sage stand in ( or and be that sing in . ) for the a. w. o. l. bob nolan and the son of the pioneer . james finlayson ( from the laurel and hardy film ) add to the slapstick look of grand canyon trail . a loose floor board deliver the winning comedy performance . mr. devine mule kick it heel . there be energetic human performance and too but and the material isn not grand . grand canyon trail ( 1948 ) william witney ~ roy rogers and jane frazee and andy devine .