United States Department of Agr, National Agricultural Statistics Service, 2005, Stratification of Illinois 2005: U.S. Department of Agriculture, National Agricultural Statistics Service, Fairfax, Virginia.
Planar coordinates are encoded using row and column
Abscissae (x-coordinates) are specified to the nearest 30
Ordinates (y-coordinates) are specified to the nearest 30
Planar coordinates are specified in meters
The horizontal datum used is North American Datum of 1983.
The ellipsoid used is Geodetic Reference 80.
The semi-major axis of the ellipsoid used is 6378137.00.
The flattening of the ellipsoid used is 1/298.257.
75% cultivated, (cultivated categories consist of land used forcrops, the remaining portion of land in the cultivated strata may include pasture, woods, waste, rangeland, etc.)
|12||51%-75% cultivated, (cultivated categories consist of land used for crops, the remaining portion of land in the cultivated strata may include pasture, woods, waste, rangeland, etc.)|
|31||Agri-Urban: >20 Home/Square Mile|
|32||Commercial: >20 Home/Square Mile|
|Range of values|
|Minimum:||295.135 (actual value, not range)|
|Maximum:||13907.999 (actual value, not range)|
|Range of values|
|Minimum:||188775.294 (actual value, not range)|
|Maximum:||8895692.456 (actual value, not range)|
Area Frame Section staff
These data are intended for geographic display and analysis at the state level. The data should be displayed and analyzed at a scale of 1:100,000 or smaller (e.g., 1:250,000, etc.). The strata data are provided "as is". USDA/NASS does not warrant results you may obtain using the strata data.
U.S. Geologic Survey (USGS), 1984 - 1987, USGS Topographic Quadrangles: U.S. Geologic Survey, Reston, VA.
U.S. Bureau of the Census, 2000, TIGER digital vector files: Environmental Systems Research Institute, Inc., Redlands, CA.
Corporation, Titan Systems , 2000, Sure! maps: Titan Systems, San Diego, California.
National Agricultural Statistics Service, 2005, Segment Center maps: National Agricultural Statistics Service, Fairfax, VA.
United States Geological Survey, 2004, Landsat TM 5 Imagery: USGS, Reston VA.
USDA, Illinois Agricultural Statistics Office, 2002, Indiana Agriculture and Fisheries Statistics: USDA, Indiana dept. of Agriculture, Indianapolis.
DeLorme, 2001, Indiana Atlas and Gazetteer: Delorme, Yarmouth, Maine.
United States Geological Survey, 2003, Landsat 7 TM imagery: USGS, Reston, VA.
Data sources used in this process:
The sources used for digitizing strata boundaries are 1:100,000 scale Digital Raster Graphics
There are no known gaps or missing data. This data set includes the area in square miles and number of acres for each strata. Boundaries may not be coincident with strata boundaries of adjacent states.
Checks for topological consistency were performed on this data set.
Are there legal restrictions on access or use of the data?
- Access_Constraints: None
- None. Acknowledgment of the U.S. Department of Agriculture, National Agricultural Statistics Service would be appreciated in products derived from these data.
Users of the strata data are solely responsible for interpretations made from the product. The strata data are provided "as is". USDA/NASS does not warrant results you may obtain by using the strata data. Feel free to contact our staff at (HQ_RD_OD@nass.usda.gov) if technical questions arise in the use of the strata data.
|Data format:||ESRI Shapefile|