Harris, Robert A. <br/><br/>
Bibliography of the geology of the western phosphate field, 
by Robert A. Harris, David F. Davidson, and Bertha P. Arnold. 
 - Washington,  U.S. Govt. Print. Off.,  1954. 
 - iii, 89 p.  24 cm. 
<br/><br/><label>LCCN: </label>gs 54000310  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--West (U.S.)--Bibliography.<br/>Phosphates--West (U.S.)--Bibliography.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 1018