Keyes, Charles Rollin,  1864-1942. <br/><br/>
Conspectus of the geologic formations of New Mexico / 
by Charles Keyes. 
 - Des Moines :  R. Henderson, state printer,  1915. 
 - 12 p. ;  23 cm. 
<br/><br/><label>LCCN: </label>gs 15000453  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--New Mexico.<br/>Petrology--New Mexico.
<br/><br/><label>LC Class. No.: </label>QE143  / .K43 1915