The figures reflect changes in the paradoxical section of the scale of values, and express scarcity rather than wealth.
Altho the wealth of a nation may not be expressed as a single sum of values that accurately reflects the weal-bringing things composing its environment, some conception of the situation is to be gained by an enumeration of goods in their kinds and quantities and by studying their relations to the life of the people.

Objects of wealth may be grouped in various ways.

The following may serve our purpose of a general survey of our present resources.
Sec.8.

#Sources of food supply#.

The land area of the country in 1910 was about 1,900,000,000 acres, of which 879,000,000 acres were in farms, this being 46 per cent of the total area.