Hill, Dorothy Rachel,  1920- <br/><br/>
General and engineering geology of the Wray area, Colorado and Nebraska / 
by Dorothy R. Hill and Jessie M. Tompkin. 
 - Washington, [D.C.] :  U.S. G.P.O.,  1953. 
 - iv, 65 p. :  ill., maps ;  24 cm. 
 - Geological Survey bulletin ;  1001 .
<br/><br/> One folded map in pocket. 
<br/><br/>Bibliography: p. 62-64. 
<br/><br/><label>LCCN: </label>gs 54000064  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado--Yuma County.<br/>Geology--Nebraska--Dundy County.<br/>Soil mechanics.<br/>Road materials.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 1001 
<br/><br/><label>Dewey Class. No.: </label>557.88 
<br/><br/><label>National Agricultural Library Call No.: </label>407  / G29B no.1001