Toepelman, W. C.  1894- <br/><br/>
Preliminary notes on the revision of the geological map of eastern Colorado, 
by W. C. Toepelman. 
 - Boulder, Col.,  1924. 
 - 21 p.  fold. map.  23 cm. 
<br/><br/> Map on loose sheet. 
<br/><br/><label>LCCN: </label>gs 25000033  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado--Maps.
<br/><br/><label>LC Class. No.: </label>QE91  / .A4 no. 20 QE91  / .T6