Merrill, George P.  1854-1929 <br/><br/>
The first one hundred years of American geology / 
by George P. Merrill 
 - New York  :  Hafner Publishing Company,  1969 
 - xxi, 773 p. :  ill., maps, ports.  ;  24 cm. 
<br/><br/> 'Facsimile of the edition of 1924' 
<br/><br/>Bibliographical footnotes 
<br/><br/><label>LCCN: </label>64-020222 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--History<br/>Geology--United States<br/>Geologists--United States