30-M: Marshall Co., Black Vermillion River, Sec. 9, T. 5S, R. 8E, Mar. 5, 1958.
31-G: Pottawatomie Co., Clear Creek, Sec. 3, T. 6S, R. 9E, July 14, 1958.
32-G: Pottawatomie Co., unnamed creek, Sec. 14, T. 6S, R. 9E, July 14, 1958.
33-M: Marshall Co., Robidoux Creek, Sec. 20, T. 2S, R. 9E, July 23, 1958.
34-M: Marshall Co., Little Timber Creek, Sec. 10, T. 4S, R. 9E, Oct. 6, 1957.
35-M: Marshall Co., Black Vermillion River, Sec. 15, T. 4S, R. 9E, Aug. 9, 1958.
36-M: Marshall Co., unnamed creek, Sec. 8, T. 4S, R. 9E, Oct. 6, 1957.
37-M: Marshall Co., Black Vermillion River, Sec. 11, T. 4S, R. 10E, Oct. 6, 1957.
38-S: Marshall Co., Big Blue River, Sec. 18, T. 5S, R. 8E, Aug. 8, 1958.
39-S: Marshall Co., Big Blue River, Sec. 20, T. 4S, R. 7E, May 29, 1958.