vilwaukee Locomotive Company 
Fic. 163. Locomotive mills at Milwaukee. Are these mills conveniently situated with respect 
lo supplies of iron and steel for raw material and coal for power? The metal industries cannot 
make much use of water power: they must have fuel. Why is this so? 
CHAPTER NINETEEN 
MANUFACTURING REGIONS OF THE UNITED STATES 
THE distribution of manufacturing in the United States is illustrated 
in Figure 165, which shows the percentage of the gainfully employed 
population engaged in manufacturing and mechanical industries. 
Notice the very heavily shaded area on the North Atlantic coast, the 
heavy shading in a large part of the northeastern quarter of the coun- 
iry, the two fairly heavy areas in the West, the fairly heavy tongue 
extending into the South, and the light shading elsewhere. 
Industries commonly found in all modern cities. In the areas that 
are more lightly shaded in Figure 165, a large part of the manufactur- 
ing consists of kinds that are almost essential to every civilized region. 
These include printing plants, foundries and machine shops, sawmills, 
grist mills, bakeries, and plants for supplying gas and power. 
Printing is necessary in every modern city that has a newspaper, 
and even small towns of a few thousand inhabitants often have print- 
ing establishments. Foundries and machine shops, or at least black- 
RAY