APPENDIX I 
Table I. — Estimated number of power units or installations on farms in the 
United States, January 1, 1924, CL'^d number of agricultural workers reported 
January 1, 1920, by the Bureau of the Census 
State 
Maine.- 
New Hampshire 
Vermont 
Massachusetts 
Rhode Island 
Connecticut 
New York 
New Jersey 
Pennsylvania 
Delaware . 
Maryland 
Virginia 
West Virginia 
North Carolina 
South Carolina 
Georgia 
Florida 
Kentucky 
Tennessee 
Alabama 
Mississippi 
Louisiana 
Arkansas 
Texas 
Oklahoma 
Ohio 
Indiana 
Illinois 
Michigan 
Wisconsin 
Minnesota 
Iowa 
Missouri 
North Dakota 
South Dakota 
Nebraska 
Kansas 
Montana 
Wyoming 
Colorado 
New Mexico 
Arizona 
Utah 
Nevada 
Idaho 
Washington... 
Oregon 
California-- 
United States 
Horses 
84,000 
34,000 
70,000 
45,000 
6,000 
35,000 
480,000 
69,000 
457,000 
24,000 
123,000 
262,000 
145,000 
157,000 
67,000 
84,000 
34,000 
330,000 
270,000 
117,000 
188,000 
150,000 
196,000 
882,000 
542,000 
694,000 
614,000 
1,030,000 
541,000 
580,000 
773,000 
1, 067, 000 
749,000 
648,000 
603,000 
742,000 
795, 000 
489,000 
144,000 
320,000 
146,000 
105,000 
102,000 
38,000 
215,000 
191,000 
188,000 
291,000 
Mules 1 
Tractors 2 
15, 916, 000 
6,000 
6,000 
49,000 
9,000 
30,000 
88,000 
13,000 
250,000 
209,000 
363,000 
42,000 
234,000 
276,000 
302,000 
290,000 
173, 000 
299,000 
786,000 
266,000 
26,000 
73,000 
114,000 
5,000 
4,000 
8,000 
59,000 
243,000 
6,000 
10,000 
80,000 
186,000 
8,000 
2,000 
25,000 
17,000 
10,000 
2,000 
1,000 
6,000 
18,000 
10,000 
50,000 
4, 654, 000 
800 
300 
600 
1,000 
100 
700 
16,000 
2,000 
16,000 
400 
2,400 
4,500 
2,000 
5,000 
3,500 
4,000 
3,000 
3,000 
3,000 
2,000 
2,500 
5,000 
3,000 
20, 000 
12,000 
30,000 
20,000 
35,000 
12,000 
17,000 
23,000 
32,000 
14,000 
20,000 
20,000 
18,000 
30,000 
13,000 
2,000 
8.000 
1,500 
1,000 
400 
4,000 
5,000 
5,500 
25,000 
Trucks 2 
450, 000 
3,000 
2,000 
1,500 
9,000 
800 
4,000 
23,000 
9,000 
23,000 
700 
7,000 
6,000 
2,500 
6,500 
4,500 
8,000 
4,000 
4,000 
3,500 
3,000 
2,500 
2,000 
2,500 
13,000 
5,000 
18,000 
10,000 
16,000 
12,000 
10,000 
10,000 
22,000 
12,000 
2,000 
9,000 
16,000 
12,000 
3,000 
1,500 
7,500 
1,500 
1,500 
1,500 
500 
2,000 
8,000 
5,000 
25,000 
356,000 
Stationary 
engines - 
18,000 
7,000 
15,000 
14,000 
2,000 
9,000 
118,000 
18,000 
114,000 
5,000 
20,000 
35,000 
13,000 
38,000 
34,000 
44,000 
10,000 
34,000 
37,000 
24,000 
29,000 
23,000 
31,000 
107,000 
56,000 
100,000 
89,000 
155, ooa 
85,000 
116,000 
126,000 
215, 000 
96,000 
80,000 
78,000 
106,000 
108,000 
38,000 
8,000 
35,000 
7,000 
6,000 
10,000 
3,000 
27,000 
38,000 
29,000 
90,000 
2, 500, 000 
Electric 
power 2 
8,000 
4,000 
4,500 
7,000 
600 
5,500 
22,000 
4,500 
30,000 
5,000 
11,000 
4,000 
10,000 
6,000 
3,300 
9,000 
4,800 
4,500 
3,000 
3,000 
3,500 
15,000 
5,400 
44,000 
18,000 
24,000 
14,000 
20,000 
8,000 
30,000 
10,000 
6,000 
6,000 
12,000 
9,000 
2,000 
1,200 
5,000 
700 
800 
4,400 
400 
8,000 
26,000 
9,500 
60,000 
500,000 
Workers ^ 
61, 139 
25,425 
41, 757 
51, 144 
7,615 
36, 459 
305, 103 
58,081 
275, 773 
17, 362 
90, 530 
291, 701 
118,999 
468, 605 
418, 485 
601, 721 
107, 344 
391, 621 
395, 404 
497, 718 
498, 380 
278, 765 
402, 080 
787, 700 
312, 986 
356, 617 
291, 445 
376, 625 
271, 330 
292, 264 
291, 180 
324,004 
391, 921 
119, 755 
116, 698 
186, 579 
231, 779 
81, 759 
25,554 
98,842 
54,046 
35,364 
43, 035 
8,431 
67, 135 
100, 775 
78, 753 
259,709 
10, 645, 497 
1 Based on reports of Bureau of .Agricultural Economics on horses and mules two years old or older. 
2 Estimated from manufacturers' figures and assessors' reports from several States. 
3 Reported Jan. 1, 1920, by the Bureau of the Census and corrected to exclude those engaged in lumbering 
and fishing but listed as agricultural workers. 
63 
