Athearn, Robert G. and Ubbelohde, Carl, <br/><br/>
Centennial Colorado :  its exciting story / 
Robert G. Athearn and Carl Ubbelohde. 
 - First edition. 
 - 96 pages :  illustrations ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorado--History.