Several shots from different angles of scientists on Eskimo Lakes, NWT, in two boats dragging water bottom with a special net, of them washing out mud from net in a wooden box with a water hose and keeping vegetation (marine plants and rocks), of them taking other samples from bottom of water, of the boat sailing back to research station, of two of the men walking to trailer with specimens. Various shots from different angles of other men in motorboat arriving at camp at sunset and entering trailer with specimens. Various shots from different angles in the laboratory of a scientist, Dr Granger, mixing liquids with laboratory equipment all around him. HACSs, MSs of two scientists at breakfast including MSs of lakeshore taken through window and ZOOM OUT on them eating and talking (scientists are Dr Atkman and Dr Granger).