| Source: |
A. B. Daugherty, Major Uses of
Land in the United States: 1987 (Washington, D.C.: U.S. Department of Agriculture,
Economic Research Service, Resources & Technology Division, 1991) Agricultural
Economic Report no. 643. |
| [1] |
Total acreage in crop rotation. |
| [2] |
Excludes an estimated 83 million
acres of forestland in parks and other special uses of land. |
| [3] |
Grassland pasture and
range_grassland and other nonforested pasture and range in farms, excluding cropland used
only for pasture, plus estimates of open or nonforested grazing land not in farms. |
| [4] |
Transportation, recreation, and
other special uses of land specified in Table 3.13. |
| [5] |
Miscellaneous areas, such as
marshes, open swamps, bare rock areas, deserts, urban, and other special uses not
inventoried. |
| [6] |
Approximate land area as
established by the U.S. Bureau of the Census in the 1980 Census of Population. Includes
all dryland and land temporarily or partially covered with water, such as marshland,
swamps, river floodplains (streams, sloughs, estuaries, and canals less than one-eighth
mile wide) or lakes, reservoirs, and ponds less than 40 acres in area. |
|
