JOHN WESLEY POWELL I39 



Issued also in separate form, with paper cover bearing 

 title, etc. 



39. Physiographic features. By J. W. Powell. 



In National Geographic Monographs, prepared under the 

 auspices of the National Geographic Society, vol. i (No. 2, 

 for April, 1895), pp. 33-64, New York, Cincinnati, Chicago, 

 American Book Company, 1895, royal 8°. 



Major headings are: plains and plateaus; mountains; 

 valleys ; hills ; cliffs ; special forms ; stream channels and 

 cataracts ; fountains ; caverns ; lakes ; marshes ; coast forms ; 

 islands. 



Issued also in separate form, with paper cover bearing 

 title, etc. 



40. Physiographic regions of the United States. By J. W. 



Powell. 



In National Geographic Monographs, prepared under the 

 auspices of the National Geographic Society, vol. i (No. 

 3, for May, 1895), pp. 65-100, New York, Cincinnati, 

 Chicago, American Book Company, 1895, I'oy^l 8°. 



Major headings : drainage slopes ; Atlantic Plains ; Pied- 

 mont Plateaus ; Appalachian Ranges ; Alleghany Plateaus ; 

 New England Plateaus ; Lake Plains ; Prairie Plains ; Gulf 

 Plains; Ozark Mountains; "Great Plains" (Plateaus); 

 Stony Mountains ; Park Mountains ; Columbia Plateaus ; 

 Colorado Plateaus; Basin Ranges; Pacific Mountains. 



Issued also in separate form, with paper cover bearing 

 title, etc. 



41. Canyons of the Colorado, by J. W. Powell, Ph.D., 



LL.D., formerly Director of the United States Geolog- 

 ical Survey, member of the National Academy of 

 Sciences, etc., etc. With many illustrations. 



Meadville, Pa., Flood & Vincent, The Chautauqua 

 Century Press. M DCCC XCV. 



Pp. xiv, 15-400. Type page ordinary 8°, but paper page 

 about 1 1 3^ by 85^ inches, giving very wide margins. Pro- 

 fusely illustrated. 



A revised and enlarged edition of the work published in 

 1875. (See No. 11.) Several of the chapters, descriptive 

 of the region and of the people who inhabit it, were written 



