Hail, William James,  1922- <br/><br/>
Geology of southwestern North Park and vicinity, Colorado, 
by William J. Hail, Jr. 
 - Washington,  U.S. Govt. Print. Off.,  1968. 
 - v, 119 p.  illus., maps (3 fold. col.)  24 cm. 
 - Geological Survey bulletin 1257 .
 - Geological Survey bulletin ;  1257. .
<br/><br/> Issued in a case. 
<br/><br/>Bibliography: p. 113-115. 
<br/><br/><label>LCCN: </label>gs 68000345  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado--Jackson County.<br/>Geology--Colorado--Grand County.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 1257 
<br/><br/><label>Dewey Class. No.: </label>557.88/65