20 KANSAS UNIVERSITY QUARTERLY. 
I I 30 inches buff Permian 
limestone, 
Zottom’ of section in fig- 
ure r, 
10 feet soil and clay. 
8 feet.red and blue shales 
50 feet shale. 
t foot limestone, 
7 feet. fossiliferous lime- 
stone, 
I | “ 
1} 3 feet Cottonwood Falls 
limestone, 
Figure 2. A geologic section one 
eee mile east of Great Western Gypsum 
I I Buff limestone. mine, near Blue Rapids, Kansas. 
20 feet shale 
Buff limestone. 
Hi 
2% feet soil and ground, 
8 feet limestone. 
20 feet shale. 6 feet blue shale. 
2 feet limestone. 
4 feet blue shale. 
Ee 
10 feet red shale, 
| 6 feet red and blue shales, 
‘18 feet, blue shale above, 
red shale below. 
8% feet, gypsum. 
8% feet gypsum. 
Limestone, 
Limestone. Figure 3. A geologic. section at the 
Winter's gypsum mine, near Blue 
Figure 1, A:geologic section at Great Rapids, Kansas 
Western Gypsum mine, Blue Rapids, 
Kansas. 
The Great Western mine is located on the side of a bluff, one 
mile north of the town and forty-five feet above the level of the 
water in the river. It is two and a quarter miles southeast of the 
®: Fowler mine. The entry runs east of north for about 400 feet. 
In the first 200 feet the gypsum was in round masses, thick at the 
