The Heinz Center's State of the Nation's Ecosystems
ecosystem: Farmlands
indicator Name: Total Cropland: cropland estimates
page # in printed report: 91
location on page: Upper right
data source: Data Source: USDA Natural Resources Conservation Service, National Resources Inventory (NRI) program; USDA National Agricultural Statistical Service, Census of Agriculture; USDA Economic Research Service (ERS); Multi-Resolution Land Characterization Consortium (MRLC) and the U.S. Geological Survey. Coverage: lower 48 states. Conservation Reserve Program acreage has been removed from all but the ERS data set; also, some CRP lands may be included in the National Land Cover Data.
notes: Please see technical notes for further details on accessing these data from their original source;
this data table comes from a specific graphic in The State of the Nation's Ecosystems report (www.heinzctr.org/ecosystems)

units: million acres
Year Census of Agriculture (USDA) Economic Research Service (USDA) (lower 48) National Resources Inventory (USDA) National Land Cover Data (MRLC/USGS)
1949 478 478    
1954 460 465    
1959 448 457    
1964 434 444    
1969 459 472    
1974 440 465    
1978 454 470    
1982 445 469 552  
1987 443 464 533  
1992 435 460 507 510
1997 445 455 496  
2001 434   487