1840. Levasseur, V. (Victor), Stanford Geospatial Center, Bonheur, Raimond, and Laguillermie, active 1830-1854. 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.
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2000. 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. 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. 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. 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. 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.
2000. This raster dataset represents total agave crop production in metric tons. Harvested area in hectares was multiplied by yield per hectare to create... University of Minnesota. Institute on the Environment.
2003. Geological Survey (U.S.). This point shapefile represents locations of agricultural minerals operations in the United States. The data represent commodities covered by the M... National Atlas of the United States.
2002. National Atlas of the United States. This polygon shapefile portrays a selected set of information that was collected for the 2002 Census of Agriculture by the National Agricultural St... National Atlas of the United States.
2007. National Atlas of the United States. This polygon shapefile portrays a selected set of information that was collected for the 2007 Census of Agriculture by the National Agricultural St... National Atlas of the United States.