Weidman, Samuel,  1870- <br/><br/>
A contribution to the geology of the pre-Cambrian igneous rocks of the Fox river valley, Wisconsin. 
By Samuel Weidman. 
 - Madison, Wis.,  Published by the state,  1898. 
 - iv, 63 p.  x pl. (incl. maps, 1 col.) diagrs.  24 cm. 
 - Wisconsin. Geological and natural history survey. Bulletin  no. 3.  Scientific series no. 2 .
 - Wisconsin Geological and Natural History Survey.  Bulletin ;  no. 3. Wisconsin Geological and Natural History Survey.  Scientific series ;  no. 2. .
<br/><br/> Several plates accompanied by leaf with brief description.  "Some previous work on microperthite and soda-microcline": p. 58-63. 
<br/><br/>I. The Utley metarhyolite.--II. The Berlin rhyolite-gneiss.--III. The Waushara granite. 
<br/><br/><label>LCCN: </label>gs 05001118  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Stratigraphic--Precambrian.<br/>Geology--Wisconsin--Fox River Valley.<br/>Igneous rocks.
<br/><br/><label>LC Class. No.: </label>QE179  / .A2 no. 3