162 
IOWA ACADEMY OF SCIENCES 
TABLE SHOWING BACTERIOLOGICAL 
Where Located. 
C.& N.-W., Ames 
Belle Plaine. 
Boone 
Carroll . 
Co. Bluffs 
Eagle Grove.. 
Elmore 
Glidden 
LaMoille 
Mason City. . . 
Mo. Valley. . . 
Tama City . . . 
Webster City. 
Marshalltown 
C. G. W. , Marshalltown 
I. C. , Marshalltown 
C.,B.&Q. , Clarinda. 
Creston . . 
Villisca . . 
N.P.-J 
( 
( Billings 
Yellow- 
stone 
Glendive ( river. 
Miles City 
Fargo 
C., R. I.«&;P., Des Moines. 
C. & N. - W. , Des Moines. 
U. R., Des Moines 
51 ® 
51® P 
50® F 
55® F 
50® F 
45® F 
35® F 
68 ® 
F 
51® F 
1904 
June 22 
July 7. 
June 10 
May 28 
June 14 
June 20 
Sept. 6 
June 21 
July 80 
July 7. 
June 15 
July 7. 
June 20 
Nov. 28 
Nov. 28 
Nov. 28 
1905 
Jan. 16 
Jan. 16 
Jan. 16 
1904 
Aug. 16 
Aug. 14 
Aug. 15 
Aug. 12 
Dec. 15 
Dec. 15 
Dec. 15 
June 25.. 
j July 9 
1 July 15 
June 12.. 
C May 29 
( May 31 
5 June 16 
< June 18 
j June 23 
I June 25 
j Sept. 9 
I Sept. 10 
June 24. . 
Aug. 1.. 
\ July 9 
i July 18 
( Jane 16 
I June 18 
Uuly 9 
( July 15 
\ June 28 
I June 25 
Dec. 3 
Dec. 3 
Dec. 3 
Jan. 24.. 
Jan. 24.. 
Jan. 24.. 
1904 
Aug. 19. . 
) Aug. 16 
( Aug. 18 
Aug. 19 
J Aug. 14 
I Aug. 16 
60. 
20 . 
Character of Media 
o 
J 
uH 
o 
M 
a 
m 
0 
si 
^3 
j- 35... 
b 
Drift 
c 
1 
J 
i 
Drift .... 
Drift 
r 
1 
> 
30 .. 
^862... 
i ^0- ! 
Drift .... 
St. Peter 
Alluvial 
Silt .... 
Gravel 
Drift . . 
Drift .... 
70 
790 
800 
10 
40 
250 
300 
} 100 
190 
36000 
790 
40 
850 
850 
J 55 
i 1000 
220 
250 
1500 
865600 
560 
65600 
4200 
40 
1400 
2800 
1000 
1400 
400 
560 
50 
10 
10.50 
1050 
160 
42000 
560 
1800 
50 
250 
450 
100 
350 
330 
300 
160 
767500 
2800 
10500 
14000 
240 
20 
2700 
30 
420 
420 
44000 
250 
10 
530 
230 
1250 
2450 
60 
3200 
190 
1400 
10 
*M6 
150 
’i40 
17500 
200 
1400 
20 
200 
200 
300 
2000 
250 
1200 
4200 
4200 
* From Nodaway R. 
a Sand and gravel, base of Wisconsin drift. 
b Alluvial silt gravel, 
c Gravel, base of Wisconsin drift. 
d Alkali silt. 
