[Illustration: FIG. 1. Area 5, upper Neosho station, Sec. 3, T. 16 S., R. 8 E., looking upstream, June, 1960.] [Illustration: FIG. 2. Area 6, upper Neosho station, Sec. 3, T. 16 S., R. 8 E., looking upstream, June, 1960.]