Knopf, Adolph,  1882- <br/><br/>
The Eagle River region, southeastern Alaska, 
by Adolph Knopf. 
 - Washington,  Govt. print. off.,  1912. 
 - 61 p.  2 pl., 3 fold. maps (2 in pocket) diagrs.  24 cm. 
 - United States. Geological survey. Bulletin 502 .
<br/><br/><label>LCCN: </label>gs 13000251  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Alaska.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 502