C. E. VAN ORSTRAND 
38 


Bee case Serer" 
(EC Ea esa a 
Bape e eee ieee 
BRPPN Sy VEnen Earl, 
Bm SNS ease ec 
ee ha 
_ UU DOR SES Se ae eee e: 
sao 2S ae 
SESS Ses eyes ak 
JER iPERaES GERBER. 
PEE 
CCAR SEE RESRaeea 
EG ERS aaEESESEbe 
ok 8 8&8 8 & R 83 &, 8: 2 
LISHNSYHVS- SYN Lvy3sdW3aL 

Fig. 1. Depth-temperature curve of deep well in S. W. 1/4, Sec. 34, 
T. 2 N., R. 69 W., Longmont, Boulder County, Colorado. 
‘FL-"N O1-1E "DIS 
77IM WOM? 
Adla 
VWWOAMV THO 
— — 100 MILES — 
9 
§ 
2500 
{e] 
: 
LIFA Wy MLo77 
I500 

4500 
Fig. 2. Depths at which temperature of 100° Fahrenheit is reached in Central Oklahoma. 
182 
