| 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. |
|