2011. United States. Bureau of Transportation Statistics. This polygon shapefile depicts service wide boundary set for display and general analysis purposes. This layer is part of the 2014 National Transpo... United States. Bureau of Transportation Statistics.
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2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States administrative county boundaries extracted from the U.S. Census Bureau's MAF/TIGER Database (MTDB). T... United States. Bureau of Transportation Statistics.
2013. Stieler, Adolf and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa from the 19th century, originally created by Adolf Stieler. All... Stanford Digital Repository.
1853. Stabilimento di Giuseppe Civelli and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa from 1853, originally created by Stabilimento di Giuseppe Civel... Stanford Digital Repository.
1840. Levasseur, V. (Victor), Bonheur, Raimond, Laguillermie, active 1830-1854, and Stanford Geospatial Center. This layer is a georeferenced image of an historic continental map of Africa from 1840. Originally created by Victor Levasseur, this map depicts la... Stanford Digital Repository.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the average yield for agave crops in tons per hectare. Croplands cover ~15 million km2 of the planet and provide the... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the agricultural census data quality for agave crop yields. Data quality categories include (0= missing, 0.25= count... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the agricultural census data quality for harvested areas of agave crops. Data quality categories include (0= missing... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset depicts the average fractional proportion of a gridcell for agave crops that were harvested circa 2000. Croplands cover ~15 mil... University of Minnesota. Institute on the Environment.
2000. University of Minnesota. Institute on the Environment. This raster dataset depicts the average number of hectares per land-area of a gridcell for agave crops. Data quality categories include (0= missing... University of Minnesota. Institute on the Environment.