"United States" . . . . "Databases"@en . . . . "1987 census of agriculture. Vol. 1, Geographic area series. State data file, county data file (including U.S. totals)"@en . "Subject matter description based on data for all farms and for all farms with sales of $10,000 or more; geographic coverage based on data for each state and for each county with 10 farms or more." . . . . . "1987 census of agriculture. Volume 1, Geographic area series. State data file, county data file (including U.S. totals)" . "Census of agriculture (1987). Geographic area series" . . "Census of agriculture (1987). Geographic area series"@en . "Statistics"@en . . . . . "State data file, county data file (including U.S. totals)" . .