LIBRARY CATALOGUE SLIPS. 



[Mount each slip upon a separate card, placing the subject at the top of the 

 second slip. The name of the series should not be repeated on the series 

 card, but additional numbers should be added, as received, to the first 

 entry.] 



Schrader, Frank Charles. 



... A reconnaissance in northern Alaska, across the 

 Rock}- Mountains, along Ko}aikuk, John, Anaktuvuk, 

 and Colville rivers, and the Arctic coast to Cape Lis- 

 burne, in 1901; by Frank Charles Schrader, v:ith notes 

 by W. J. Peters. Washington, Gov't print, off., 1904. 



139, III p. illus., 16 pi. (inch maps) . 29$ x 23 cm . (U. 8. Geological sur- 

 vey. Professional paper no. 20. ) 



Subject series: A, Economic geology, 28; B, Descriptive geology, 34. 

 " Chronologic list of works examined": p. 31-33. 



Schrader, Frank Charles. 



... A reconnaissance in northern Alaska, across the 

 Rocky Mountains, along Koyukuk, John, Anaktuvuk, 

 and Colville rivers, and the Arctic coast to Cape Lis- 

 burne, in 1901; by Frank Charles Schrader, with notes 

 by W. J. Peters. Washington, Gov't print, off., 1904. 



139, III p. illus., 16 pi. (inch maps) . 29$ x 23 cm . (U. S. Geological sur- 

 vey. Professional paper no. 20. ) 



Subject series: A, Economic geology, 28; B, Descriptive geology, 34. 

 " Chronologic list of works examined" : p. 31-33. 



U. S. Geological survey. 



Professional papers, 

 no. 20. Schrader, F. C. A reconnaissance in northern 

 Alaska. 1904. 



U. S. Dept. of the Interior. 



see also 

 U. S. Geological survey. 



