Geographic Variations in Typhoid, Etc. 



57 



Some of the other counties with high death rates for typhoid are 

 those in which the land is mostly rugged, the soil poor, and the people 

 poverty-stricken. Figures 4, 7 and 8 illustrate the contrasts among the 

 counties in respect to value of farm land, in per cent of waste land, and 

 in the taxables per average square mile. Comparison of these three 

 maps with figure 1 reveals several correspondences, many of the poorer 

 counties having abnormally high death rates, while several of the 

 richer counties are white on figure 1. 



The unsatisfactory sanitary conditions characteristic of camp life 

 on the shores of some of the lakes of the northeastern part of the state 



Fig. 5. Death rate from all forms of 

 tuberculosis. Average of the five-year period, 

 1917-21. 



Fig. 7. Variation in taxable property per 

 square mile in 1921. Values are proportional 

 to the size of the circles, from less than 

 $15,000 to $800,000 per square mile, by 

 counties. 



may help explain the rather high rates in some of the northeastern 

 counties. 



None of the counties having large cities are black in figure 1, 

 except Lake County, with Gary. The larger cities of Indiana have pro- 

 vided a reasonably safe water supply, which is by no means true of 

 many of the smaller towns and villages. 



Tuberculosis. — The death rate from all forms of tuberculosis is 

 nearly ten times as great in Indiana on the average as is the death 

 rate from typhoid. The rate in Indiana moreover is about 25 per cent 

 less than the average rate for the registration area of the United States. 

 Figure 5, which is based on the average of the five years, 1917-1921, 

 shows that thei-e is less average contrast among the counties in deaths 



