Because it probably was desired to emphasize the unemployed, the division of the total supply of workers representing the unemployed was put in black ink.

2. Note that the total supply of workers

increases each year, due no doubt to the increase in population

COMPONENT PARTS SHOWN BY CURVES

U S Department of ARriculturc. Bureau of Agricultural Economics. Approximate Acreage of Crops Harvested and of Pasturage to Feed Horses and Mules in the United States from 1900 to 1936.

Brackets may be utilized for grouping in a number of ways. Compare this with 96A.

GRAPHIC PRESENTATION

WPA and Bureau of Agricultural Economici, "Rural Poverty." 1938.

SCALE .8

A. Expenditures for Direct Rural and Town Relief in the United States from 1932 to 1937.

1. Because the CWA and WPA reduced the number of persons receiving direct relief, expenditures during these two periods were affected.

2. The division of the total into parts shows that public relief has been reduced since the

beginning of 1935, and that another form of direct relief has increased.

"The Federal Chart Book," Prepared by Central Statittical Board and National Resources Committee, January 1938.

B. Population in the United States by Size of "Conrimunity" from 1890 to 1930.

1. Each incorporated place is a separate "community." The use of a heavy line to represent the total emphasizes the fact that the lines below it arc merely divisions.

2. See 93 A4.

COMPONENT PARTS SHOWN BY CURVES

MILLIONS OF PERSONS

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