Adams, George I.  1870-1932. <br/><br/>
Zinc and lead deposits of northern Arkansas, 
by George I. Adams, assisted by A. H. Purdue and E. F. Burchard, with a section on the determination and correlation of formations, by E. O. Ulrich. 
 - Washington,  Govt. print. off.,  1904. 
 - 118, v p.  illus., 27 pl. (incl. maps, part double) fold. tab., diagrs.  30 x 23 cm. 
 - U.S. Geological survey. Professional paper  no. 24 .
<br/><br/> Subject series: A, Economic geology, 31; C, Systematic geology and paleontology, 66. 
<br/><br/><label>LCCN: </label>gs 04000140  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zinc ores--Arkansas.<br/>Lead ores--Arkansas.<br/>Geology--Arkansas.<br/>Paleontology--Arkansas.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 24