APPLICATIONS OF GEOTHERMICS TO GEOLOGY 
21 
Oklahoma, Texas, New Mexico, and California. The writer has made 
tests in 250 or more wells, some of them in each of the preceding states 
and some in each of the other states listed in Table III, excepting as 
otherwise noted in the table. 
TABLE III 
VALUES OF EXCESS OF SOIL TEMPERATURE OVER AIR TEMPERATURE (e€) AND OF 
RECIPROCAL GRADIENT (1 5) 



No. | 1/b 
Town or Field County of e r ro |FL°F 
; Wells | 
Alabama 
Albany Morgan I —0.5 — — 386.2 
Birmingham Jefferson 7 42.7 0.3 o.I 96.8 
Fayette Fayette I Sele) —_ — | 128.3 
Arkansas 
Eldorado Union 7 +0.7 1.0 0.4 49-9 
California 
Bakersfield Kern 5 —I0.1 1.6 0.8 77.0 
Coalinga Fresno 51 —8.2 I.5 0.2 54-4 
Fullerton Orange I —9.4 — —_ 49.8 
Grass Valley (19)* Nevada I +0.2 — — | 168.6 
Huntington Beach Orange 4 —8.0 1.3 0.7 42.4 
Kettleman Hills Kings 5 —I10.1 3.6 1.6 BGoh 
Long Beach Los Angeles 4l —10.0 1.4 0.2 53-6 
Santa Fe Springs Los Angeles 31 —6.5 2.0| 0.4 51.6 
Seal Beach Los Angeles I —I.I — — | 33-9 
Whittier Orange 4 —9.9 1.3 0.7 57-6 
Colorado 
Calhan E] Paso I —5.9 —_— — 63-5 
Florence Fremont 3 —3.8 0.8 0.4 52-5 
Fort Collins Laramie 2 —5.7 0.5 0.3 56.9 
Longmont Boulder I —8.4 — — 56.4 
Tilinois : 
Bridgeport Lawrence 4 —1.5 0.8 | 0.4 58.9 
Towa 
Ames (20) Story I —2.9 — — | 143-9 
Kansas 
Augusta Butler 2 —1.8 0.4 0.3 50.3 
Eldorado Butler 24 +o.1 0.7 o.1 49-3 
Florence Marion 4 —1.7 0.7 0.4 63-7 
Haverhill Butler 3 —1.7 0.5 0.3 54-7 
Syracuse Hamilton I —4.3 — —]| 82.0 
Kentucky 
Prater Creek Floyd I —o.8 — — | 122.0 
Prestonburg (near) Martin I Phos! -- — | 118.4 
Louisiana 
Blue Lake Sabine 2 —3.3 0.2 o.1 55.3 
Caddo Lake Caddo I +1.0 = — | S¥/o7/ 
Caddo Lake (near) Caddo 3 +1.8 0.5 0.3 36.9 
Haynesville Claiborne I +o0.2 — — 48.2 
Homer Claiborne 8 +1.0 I.1 0.4 36.1 
Many Sabine 6 +o.1 5 |) (O22 51.7 
Pine Island Caddo I +0.4 — — Bisear 
Sligo Bossier 2 +o.9 0.2 o.1 38.3 
Zwolle Sabine 3 —2.1 1.6 0.9 53-7 
Michigan 
Surrey Township Clare I 0.0 — —| 84.3 
Houghton Houghton 2 —1.4 |] 0.2 ° 128.2 
Lake Linden Houghton I —4.3 — — | 160.2 
Mississippi 
Jackson Rankin I +2.1 — — 34-4 
4 
ow 

COMO W 
meu lt SS 
a 
12” hole; 
no casing 
From 100 to 
3,500 ft., 1/5 
=1° in 44.3 
ft. 

543 
