Spurr, Josiah Edward,  1870-1950. <br/><br/>
Economic geology of the Georgetown quadrangle (together with the Empire district) Colorado, 
by Josiah E. Spurr and George H. Garrey: with general geology, by Sydney H. Ball. 
 - Washington,  Govt. Print. Off.,  1908. 
 - 422 p.  illus., LXXXVII pl. (part fold., incl. maps, plans) diagrs.  29 x 23 cm. 
<br/><br/> Four folded plates, including 2 maps, in pocket. 
<br/><br/><label>LCCN: </label>gs 09000056  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Colorado.<br/>Geology--Colorado.
<br/><br/><label>LC Class. No.: </label>TN24.C6  / S8 no. 63 
<br/><br/><label>Dewey Class. No.: </label>557.3