Vanasse, Theodore C. <br/><br/>
Lake Superior agate :  "the rainbow in rock" / 
by Theodore C. Vanasse. 
 - 3rd rev. ed. 
 - Spring Valley, Wis.,  Spring Valley Sun,  c1958. 
 - 55 p.  illus., port.  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agates.
<br/><br/><label>LC Class. No.: </label>QE391.A3  / V3 1958