APPENDIX A. 
The following are the tables referred to in the foregoing text giving information as 
to road mileage in the States discussed. 
ARIZONA. 
Table 7. — Mileage of public roads outside of incorporated cities and towns, 1914- 
Total 
mileage 
of all 
roads. 
Surfaced roads. 
County. 
Mac- 
adam. 
Bitumi- 
nous 
mac- 
adam. 
Gravel. 
Sand- 
clay. 
Other 
hard- 
sur- 
faced 
roads. 
Total 
of 
sur- 
faced 
roads. 
Per- 
cent- 
age of 
roads 
sur- 
faced. 
Increase 
in 
surfaced 
mileage 
over 
1909. 
Graded 
and 
drained 
earth. 
350 
1,734 
1,544 
546.5 
298 
200 
2,260 
550 
600 
1,550 
400 
200 
523 
1,319.5 
20 
4 
40 
6.5 
30 
50 
7.5 
90 
6.5 
14.28 
.43 
5.82 
1.18 
100 
3.5 
- 14.5 
83 
6.5 
- 3 
40 
- 16 
1 
- 11 
14.93 
58 
150 
295 
Gila 
40 
Graham 
23 
40 
40 
18 
1 
1 
14.93 
20 
.79 
.18 
.16 
.96 
60 
Maricopa 
"l" 
10 
28 
1,140 
80 
Navajo 
1 
14.2 
30 
Pima 
.73 
23.96 
Pinal 
200 
Santa Cruz 
5 
5 
2.50 
5 
- 20 
-105.5 
11 
Yavapai 
Yuma 
135 
4.5 
15 
19.5 
1.47 
500 
Total 
12,075 
11.23 
13.5 
125.7 
45 
58 
253. 43 
2.09 
- 19.57 
2,695.96 
1 Cinders. 2 1 mile, concrete; 7 miles, oil and caliche (gravel). 
CALIFORNIA. 
Table 8. — Mileage of public roads outside of incorporated cities and towns, 1914. 

En 
Surfaced roads. 
-d 
1 
County. 
i 
I 

1 
1 
a 
H 
goi 
S 
"© 
t> 
03 
t-i 

! 
1 
02 
4 
1 
I 

I 
■H 03 

| _ ( Sh 
03 
O 
0^ 
H 
§43 S 
1— i 
3 
4> 
-d 
1 
Alameda 
533 
200 
580 
1,200 
600 
1,169 
635 
120 
900 
3,800 
1,368 
1,348 
590 
923 
33.79 
62.7 
17.33 
215.09 
328.91 
61.75 
- 96.09 
84.65 
Alpine 
Amador 
- 35 
12.8 
- 45 
265 
185.4 
- 42.5 
7 
952 
285 
20 
17.7 
Butte 1 
12.8 
5 
400 
417.8 
34.81 
Calaveras 
40 
Colusa 
11 
5.4 
556 
567 
335.4 
48.5 
52.78 
563 
Contra Costa 
300 
30 
100 
Del Norte 
94 
El Dorado 
6 
27 
27.5 
"ii.Y 
"i4" 
"is"* 
6 
1 
.5 
12 
1,122 
423 
435 
17.7 
1.33 
29.52 
30.92 
32.27 
3 
300 
Fresno . . 
1,080 
1,960 
Glenn 
395 
310 
188 
Humboldt 
110 
6 
30 
Imperial 
345 
Inyo 
300 
1 Concrete mileage reported by State geologist, balance 1909 figures. 
