1841. Cruchley, G. F. and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic paper map of Africa. This is a continental map of Africa originally created and published... Stanford Digital Repository.
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1880. Tallis, John, 1817-1876, Rapkin, J., and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic paper map of Africa. This is a continental map of Africa originally created and published... Stanford Digital Repository.
1884. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, and Ed. Holzel(Firm). This layer is a georeferenced raster image of the historic paper map entitled: Routen der wichtigsten und neuesten Reisen in Afrika. It was publish... Harvard Map Collection, Harvard College Library.
1858. Swanston, George H. and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa created in 1860. Originally created by George Swanton, this map... Stanford Digital Repository.
1891. Migeon, J. and Stanford Geospatial Center. This layer is a georeferenced raster image of a continental map of Africa titled 'Afrique Physique,' originally created by J. Migeon in 1891. The m... 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.