Some anticlines of Routt county, Colorado, 
by R. D. Crawford, K. M. Willson and V. C. Perini. 
 - Denver, Col.,  Eames bros., state printers,  1920. 
 - 59 p. 1 l.  incl. illus., tables, maps (3 fold. in pocket)  23 cm. 
 - Colorado. Geological survey. Bulletin 23 .
<br/><br/> At head of title:  Colorado Geological survey, Boulder.  R. D. George, state geologist ... 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>gs 21000128  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado--Routt County.
<br/><br/><label>LC Class. No.: </label>QE91  / .A4 no. 23