Table 3*— Trends in the breeding-population index, 1957-6*4- 
State 
1957 
1958 
1959 
i 960 
1961 
1962 
1963 
1964 
Montana 
36.8 
*1,577 
38.2 
*1,751 
39-0 
4,850 
77.3 
9,6l4 
66.5 
8,271 
44.0 
5,472 
63.8 
7,939 
64.9 
8,072 
Nebraska 
53-6 
4,109 
35.1 
2,691 
73-4 
5,626 
81.8 
6,270 
66.3 
5,082 
52.3 
4,009 
43.9 
3,367 
49.4 
3,787 
Nevada 
28.0 
3,044 
18.1 
1,968 
33-2 
3,609 
24.1 
2,620 
29.6 
3,218 
14.9 
1,620 
23.3 
2,533 
37.6 
4,087 
New Hampshire* 
3.0 
*.7 
3.8 
2.8 
2.6 
5.2 
New Jersey 
l4.0 
105 
15.7 
118 
1 B .3 
138 
18.3 
138 
16.3 
123 
16.2 
122 
16.6 
125 
17.1 
129 
New Mexico 
23.0 
2,515 
24.5 
2,679 
32.0 
3,500 
55.6 
6,080 
37 .*i 
4,090 
32.8 
3,587 
30.9 
3,19* 
35.3 
3,860 
New York 
30.2 
362 
25.0 
300 
18.7 
22*4- 
28.6 
343 
23.5 
282 
27.1 
325 
25.4 
304 
22.7 
272 
North Carolina 24.4 
1,079 
22.6 
1, 000 
27.9 
1,234 
27 .O 
1,19* 
23.7 
1,048 
26.1 
l,15*i 
28.8 
1,274 
30.1 
1,331 
North Dakota 
2^.7 
1,730 
30.3 
2,123 
33.1 
2,319 
35.0 
2 , *52 
36.9 
2,585 
33-2 
2,326 
33.1 
2,319 
33.4 
2,340 
Ohio 
20.2 
831 
214 -.3 
999 
20.3 
835 
17.8 
732 
21.6 
888 
25.8 
1,060 
21.1 
868 
20.3 
835 
Oklahoma 
51.0 
3,533 
55.8 
3,866 
55.2 
3,824 
*5.1 
3,125 
46.0 
3,187 
40.2 
2,785 
44.1 
3,055 
41.7 
2,889 
Oregon 
33*8 
2,442 
28.8 
2,081 
** 2.3 
3,057 
38.8 
2,80*4- 
43.0 
3,107 
36.8 
2,659 
39-6 
2,864 
42.8 
3,093 
Pennsylvania 
15.0 
352 
13.1 
307 
14.3 
336 
12.7 
298 
13.2 
310 
10.9 
256 
7.5 
175 
9.6 
225 
Rhode Island* 
1*4-.0 
8.0 
10.0 
11.0 
11.0 
17.9 
