Estimates of land in agricultural production in counties in the conterminous United States as reported in the 1987 Census of Agriculture
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资源简介：
This coverage contains estimates of land in agricultural production
in counties in the conterminous United States as reported in the 1987
Census of Agriculture (U.S. Department of Commerce, 1989a). Land in
agriculture data are reported as either a number (for example, number of
Farms), acres, or as a percentage of county area. Land in agriculture
estimates were generated from surveys of all farms where $1,000 or more of
agricultural products were sold, or normally would have been sold, during
the census year.
Most of the attributes summarized represent 1987 data, but some
information for the 1982 Census of Agriculture also was included.
The polygons representing county boundaries in the conterminous United
States, as well as lakes, estuaries, and other nonland-area features were
derived from the Digital Line Graph (DLG) files representing the
1:2,000,000-scale map in the National Atlas of the United States (1970).
Agricultural land
Census of Agriculture
Counties
United States
创建时间：
2016-10-29
