Several shots from various angles of logging trucks lined up on bank of Saint John River, a crane unload logs and drops them into river, closer shots of crane operators (3:01). MSs of logs floating downstream (0:19). POVS from stern of tugboat assembling log boom, CSs of operator (0:57). Water level LSs of cranes dropping logs into river (0:53). Various shots of small tugboats manoeuvring on river, assembling log boom (3:41).