John Wayne Body-Surfs Down a Water Chute in "The Lawless Frontier" and "The Lucky Texan" (1934)

John Wayne (and stuntman Yakima Canutt) body-surfs down a water chute tunnel in THE LAWLESS FRONTIER... ...and slides down it again on a tree limb in THE LUCKY TEXAN (both 1934).

The bad guys he's chasing are played by Earl Dwire and Eddie Parker, respectively.