Cleland, Herdman Fitzgerald,  1869-1935. <br/><br/>
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 .
 - Wisconsin Geological and Natural History Survey.  Bulletin ;  no. 21. Wisconsin Geological and Natural History Survey.  Scientific series ;  no. 6. .
<br/><br/> Plates i-liii each accompanied by leaf with descriptive letterpress. 
<br/><br/>Bibliography: p. 23-26. 
<br/><br/><label>LCCN: </label>gs 11000464  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Wisconsin.<br/>Paleontology--Wisconsin.<br/>Geology, Stratigraphic--Devonian.<br/>Paleontology--Devonian.
<br/><br/><label>LC Class. No.: </label>QE179  / .A2 no. 21