Fig. 1. Marais des Cygnes River, Upper Station, Sec. 12, T. 17 S., R. 17 E., looking downstream, June, 1960.
Fig. 2. Marais des Cygnes River, Middle Station, Sec. 6, T. 17 S., R. 20 E., looking downstream, June, 1960.
PLATE 28
Fig. 1. Electrical fishing gear used at night.
Fig. 2. Pool at the upper Neosho station in which rotenone was used, Sec. 33, T. 15 S., R. 8 E., looking downstream, June, 1960.
PLATE 29
Fig. 1. Area 1, upper Neosho station, Sec. 33, T. 15 S., R. 8 E., looking upstream, June, 1960.
Fig. 2. Area 3, upper Neosho station, Sec. 10, T. 16 S., R. 8 E., looking downstream, June, 1960.
PLATE 30
