Parks, Bryan C. <br/><br/>
Black marbles of northern Arkansas  based on a reconaissance survey. 
Field work by Bryan Parks; text by Bryan Parks and J. M. Hansell. With a section on their economic possibilities, by E. E. Bonewits. 
 - Little Rock,  1932. 
 - vi, 51 l.  illus., fold. map, diagrs.  28 cm. 
 - Arkansas.  Geological Survey.  Information circular 3. .
 - Arkansas Geological Survey.  Information circular ;  no. 3. .
<br/><br/><label>LCCN: </label>gs 33000091  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marble--Arkansas.<br/>Marble.
<br/><br/><label>LC Class. No.: </label>QE87  / .A3 no. 3