01220cam a22003011 4500 gs 11000464 DLC 20260227111312.0 751021s1911 wiuab s001 0 eng gs 11000464 (OCoLC)1723019 DLC ViW DLC premarc QE179 .A2 no. 21 Cleland, Herdman Fitzgerald, 1869-1935. The fossils and stratigraphy of the Middle Devonic of Wisconsin, by Herdman F. Cleland. Madison, Wis., Published by the state, 1911. vi, 222 p. front. (fold. map) illus., liii (i. e. 55) pl., map. 25 cm. Wisconsin. Geological and natural history survey. Bulletin no. 21. Scientific series no. 6 Plates i-liii each accompanied by leaf with descriptive letterpress. Bibliography: p. 23-26. Geology Wisconsin. Paleontology Wisconsin. Geology, Stratigraphic Devonian. Paleontology Devonian. Wisconsin Geological and Natural History Survey. Bulletin ; no. 21. Wisconsin Geological and Natural History Survey. Scientific series ; no. 6. 25063 25063