Robinson, G. M.    1925- <br/><br/>
Notes on earth fissures in Southern Arizona /  
by G.M. Robinson an d D.E. Peterson. 
 - Washington :    [s.n] ,    1962. 
 - iii, 7 p. :    ill., fold. map (in pocket) profile ;    27cm. 
 - Geological Survey (U.S.).    466 .
<br/><br/>Includes bibliographical references and index: (p. 7). 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Geology, Structural.<br/> Physical geography -- Arizona.
<br/><br/><label>Gov. Doc. Class. No.: </label>G.US I53 (08) 1/466