L.R. Tap Project - Turkey Lake: MSs of testing equipment in operation (concrete slab moving from one container to the next and covering the top). CU of metal plate attached to the machine. MS of forest in rain, testing equipment in foreground. CS of leaves with PAN down to sign "Algoma L.R. Tap Project-A multi-agency study on effects of acid rain on land and water" (2 takes). MS of beaver pond. MS of beaver pond seen through dead branches in foreground. PAN of same. MS of reflection of trees on pond surface with PAN to the left, and to the right. MS of bush area to TILT UP to large tree trunk.