Henderson, Junius,  1865-1937. <br/><br/>
The cretaceous formations of northeastern Colorado and the foothills formations of north-central Colorado, 
by Junius Henderson. 
 - Denver, Col.,  Eames brothers, state printers,  1920. 
 - 98 p.  illus., fold. map (in pocket)  23 cm. 
 - Colorado. Geological survey. Bulletin 19 .
<br/><br/> At head of title: Colorado Geological survey, Boulder ... 
<br/><br/>Bibliography: p. 53-57, 94-96. Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>gs 21000130  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado.<br/>Geology, Stratigraphic--Cretaceous.
<br/><br/><label>LC Class. No.: </label>QE91  / .A4 no.19