Physiography of Southeastern Kansas. 
BY GEO. I. ADAMS.* 
The National Geographical Society of Washington has published 
a volume of monographs entitled The Physiography of the United 
States. In this volume Maj. Powell of the U.S. G. S. has dis- 
cussed physiographic processes and features and defined in a 
comprehensive way the physiographic regions and districts of our 
country. It is the purpose of this paper to discuss briefly the 
geologic structure of Kansas as relates to the regions with which 
it has a common history, and in particular to define the physio- 
graphic features of the southeastern part of the state. 
PHYSIOGRAPHIC REGIONS TO WHICH KANSAS IS RELATED. 
The regions to be considered in a discussion of the structural 
history of Kansas are shown in the accompanying map (page 89). 
The Ozark region embraces the Ozark plateau of southern Missouri 
and northern Arkansas and the Ozark ranges of eastern Indian 
Territory. The Ozark plateau extends just into the southeastern 
corner of Kansas. The Prairie Plains region extends to the north 
and west of this region. In Kansas it covers about the eastern 
fourth of the state. It is divided into a glaciated and a non- 
glaciated district, the division lines running approximately east 
and west just south of the Kansas and Missouri rivers. West of 
the Prairie Plains stretches the Great Plains Plateau terminating at 
the base of the mountains. That district of this region of which 
Kansas forms a part is known as the Arkansas Plateau. The Park 
Mountain region embraces the mountains of southern Wyoming, 
central Colorado and northern New Mexico. Between these 
ranges lie the mountain valleys commonly called Parks. 
REGIONAL BOUNDARIES IN KANSAS. 
The regions are defined and mapped in a broad way by Maj. 
Powell. Just what are considered the limits in each case is not 
*Published with the consent of the Director of the University Geological Survey 
of Kansas. 
(87) KAN. UNIV. QUAR., VOL. VII. NO. 2, APR. 1898, SERIES A. 
