Robinson, G. M.  1925- <br/><br/>
Notes on earth fissures in Southern Arizona, 
by G.M. Robinson and D.E. Peterson. 
 - Washington,  1962. 
 - iii, 7 p.  illus., fold. map (in pocket) profile.  27cm. 
<br/><br/>Bibliography: p. 7. 
<br/><br/><label>LCCN: </label>gs 63000222  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology, Structural.<br/>Physical geography--Arizona.
<br/><br/><label>LC Class. No.: </label>QE75  / .C5 no. 466