Cotton Production Regions of the United States, 1904
A map from 1904 of the United States showing the principal cotton producing region of the country at the time....

Corn Producing Regions of the United States, 1904
A map from 1904 of the United States showing the principal corn producing regions of the country at the time....

Wheat Producing Regions of the United States, 1904
A map from 1904 of the United States showing the principal wheat producing regions of the country at the time....

Beef Cattle Regions of the United States, 1904
A map from 1904 of the United States showing the principal beef cattle producing regions of the country at the time....

Cotton Producing Region of the United States, 1906
A map from 1906 of the United States showing the principal cotton producing region of the country at the time....

Corn Production Regions of the United States, 1906
A map from 1906 of the United States showing the principal corn producing regions of the country at the time....

Wheat Production Regions of the United States, 1906
A map from 1906 of the United States showing the principal wheat farming regions of the country at the time....

Dairy Producing Regions of the United States, 1906
A map from 1906 of the United States showing the principal dairy–product producing regions of the country at the time....

Beef Cattle Regions of the United States, 1906
A map from 1906 of the United States showing the principal beef cattle producing regions of the country at the time....

Hog Farming Regions of the United States, 1906
A map from 1906 of the United States showing the principal hog farming regions of the country at the time....