FARMERS^ EARNINGS IN SOUTHEASTERN PENNSYLVANIA 53 
Table 43. — Net relation of the type of road to farm value per acre 
Type of road 
Concrete, asphalt, or macadam 
Broken stone or gravel 
Dirt.. 
Deviation from 
average value, 
per acre, other 
factors being 
the same 
Dollars 
+24.5 
+8.0 
Table 44. 
■Net relation of the acre-value of buildings other than dwellings or dairy 
barns to the farm value per acre 
Other buildings value per acre, 
in dollars 
Deviation of 
farm value 
from average 
per acre, other 
factors being 
the same 
Other buildings value per acre, 
in dollars 
Deviation of 
farm value 
from averag' 
per acre, oth r 
factors being 
the same 

Dollars 
-4.3 
-4.3 
-2.2 
+3.1 
20 
Dollars 
+10.4 
5. . 
25 
+12.6 
10 
1 30. 
+12.6 
15 
Table 45. — Net, relation of the crop index to the farm value per acre 
Crop index 
Deviation from 
average value 
per acre, other 
factors being 
the same 
Crop index 
Deviation from 
average value 
per acre, other 
factors being 
the same 
30 
Dollars 
-20.3 
-17.8 
-15.4 
-13.1 
-10.5 
-8.2 
-5.9 
-2.6 
110 
Dollars 
+4.2 
40 
120 
+13.8 
50 
130 
+24.5 
60 . 
140 . 
+30.8 
70 
150. . 
+35.7 
80--.... 
160. 
+38. 1 
90 
170 .. 
+40.6 
100 
Table 46. — Net relation of the proportion of the farm level to the farm value per acre 
Proportion of farm area level, in 
per cent 
Deviation from 
average value 
per acre, other 
factors being 
the same 
Proportion of farm area level, in 
per cent 
Deviation from 
average value 
per acre, other 
factors being 
the same 

Dollars 
-1.3 
-.6 
+.1 
+.8 
+1.6 
+1.9 
60 
Dollars 
+2.3 
+2.6 
+3.0 
+3 4 
10... 
70- 
20 ..... 
80.. 
30 
90-. 
40 
100. - 
+3.7 
50 
