bulletin 82. 
36 
TABLE XXII.-WATER USED IN IRRIGATING, SEPT. 1, 1899. 
Grs. 
Grs. 
Analytical 
Per 
Imp. 
Per 
Imp. 
Results. 
Cent. 
Gal. 
Combined. 
Cent. 
Gal. 
Silcic Acid ... ... 
3.172 
0.729 
Calcic Sulfate_ 
44.112 
10.146 
Sulfuric Acid_ .. 
28.578 
6.559 
Magnesic Sulfate__ 
3.866 
0.889 
Carbonic Acid... _ 
14.493 
3.332 
Magnesic Chlorid,. 
4.312 
0.992 
Chlorin ... ._ .. 
3.221 
0.741 
Magnesic Carbonate 
5.230 
1.203 
Sodic Oxid _ _ 
17.371 
3.995 
Potassic Carbonate 
1.904 
0.438 
Potassic Oxid _ 
1.298 
0.299 
Sodic Carbonate_ 
26.881 
6.183 
Calcic Oxid .. _ 
18.172 
4.180 
Sodic Silicate . __ . 
3.227 
0.742 
Magnesic Oxid 
5.597 
1.287 
Ferric and Al. Oxids 
0.318 
0.073 
Ferric and Al. Oxids 
0.318 
0.073 
Manganic Oxid _ _ 
0.259 
0.060 
Manganic Oxid_ 
0.259 
0.060 
Ignition _ _____ 
8.205 
1.887 
Ignition _ ... 
8.205 
1.887 
Sum 
98.314 
22.613 
Sum . 
100.624 
23.142 
Excess Silicic Acid. 
1.583 
0.364 
Oxygen Eq. to Cl.__ 
0.726 
0.167 
Total _ __ 
99.897 
22.977 
Total _ 
99.898 
22.975 
Total solids, 23.0 grains per imperial gallon. 
TABLE XXIII.— SEEPAGE WATER FROM MERCER DITCH 
USED IN IRRIGATING, SEPT. 2, 1899. 
Grs. 
Grs. 
Analytical 
Per 
Imp. 
Per 
Imp. 
Results. 
Cent. 
Gal. 
Combined. 
Cent. 
Gal. 
Silicic Acid__ __ 
1.971 
0.976 
Calcic Sulfate _ _ __ 
43.219 
21.393 
Sulfuric Acid_ 
35.945 
17.793 
Magnesic Sulfate. _ 
15.793 
7.818 
Carbonic Acid___ __ 
10.989 
5.440 
Magnesic Chlorid__ 
1.114 
0.551 
Chlorin 
3.381 
1.674 
Potassic Chlorid___ 
1.014 
0.502 
Sodic Oxid__ 
18.296 
9.056 
Sodic Chlorid_ _ 
3.411 
1.688 
Potassic Oxid __ _ _ 
0.641 
0.317 
Sodic Carbonate_ 
26.498 
13.117 
Calcic Oxid 
17.804 
8.813 
Sodic Silicate_ 
19.923 
0.952 
Magnesic Oxid _ 
5.733 
2.838 
Ferric and Al. Oxids 
0.478 
0.236 
Ferric and Al. Oxids 
0.478 
0.236 
Manganic Oxid_ 
0.159 
0.079 
Manganic Oxid 
0.159 
0.079 
Ignition ___ __ __ __ 
5.322 
2.634 
Ignition 
5.322 
2.634 
Sum_ 
98.931 
48.970 
Sum 
100.719 
49.856 
Excess Silicic Acid 
1.024 
0.507 
Oxygen Eq. to Cl.__ 
0.762 
0.377 
Total ___ _ 
99.955 
49.477 
Total _ ___ 
,99.957 
49.479 
Total solids, 49.5 grains per imperial gallon. 
TABLE XXIV—OFF-FLOW, N. SIDE SEPT. 2, 1899; 1st 
SAMPLE. * 
Grs. 
Grs. 
Analytical 
Per 
Imp. 
Per 
Imp. 
Results. 
Cent 
Gal. 
Combined. 
Cent. 
Gal. 
Silicic Acid_ 
0.688 
0.597 
Calcic Sulfate _ 
36.408 
31.602 
Sulfuric Acid _ 
42.183 
36.615 
Magnesic Sulfate,. 
22.259 
19.321 
Carbonic Acid_. 
6.432 
5.583 
Potassic Sulfate_ 
2.059 
1.787 
Chlorin _ 
3.755 
3.259 
Sodic Sulfate __ __ 
8.862 
7.692 
Sodic Oxid ___ 
17.140 
14.878 
Sodic Chlorid._ . 
6.197 
5.379 
Potassic Oxid __ 
1.118 
0.970 
Sodic Carbonate. 
15.509 
13.462 
Calcic Oxid 
14.998 
13.018 
Sodic Silicate 
1.397 
1.212 
Magnesic Oxid 
7.418 
6.439 
Ferric and Al. Oxids 
0.050 
0.043 
Ferric and Al. Oxids 
0.050 
0.043 
Manganic Oxid_ 
0.050 
0.043 
Manganic Oxid 
0.050 
0.043 
Ignition _ _ 
6.981 
6.060 
Ignition 
6.981 
6.060 
Sum ___ _ 
99.772 
86.601 
Sum 
100.813 
87.505 
Excess Sodic Oxid. 
0.194 
0.168 
Oxygen Eq. to Cl.__ 
0.846 
0.734 
Total _ 
99.966 
86.769 
Total _ ,___ 
99.967 
86.771 
Total solids, 86.8 grains per imperial gallon. 
* Sample taken at beginning of off-flow; on-flowing water was ditch water. 
