1710. Harvard Map Collection, Harvard College Library, L'Isle, Guillaume de, 1675-1726., and Visscher, Nicolaes, 1649-1702. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la Barbarie, le [sic] la Nigritie et del la Guinee, par Gui... Harvard Map Collection, Harvard College Library.
1730. Harvard Map Collection, Harvard College Library, L'Isle, Guillaume de, 1675-1726., and Covens et Mortier. This layer is a georeferenced raster image of the historic paper map entitled: Carte de la Barbarie, le la Nigritie et de la Guinee, par Guill[au]m... Harvard Map Collection, Harvard College Library.
1740. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, Leth, Andries de, 1662-1731., and Leth, Hendrik de, 1703-1766. This layer is a georeferenced raster image of the historic paper map entitled: Carte nouvelle de la mer du Sud : dressee par ordre des principaux d... Harvard Map Collection, Harvard College Library.
1740. Harvard Map Collection, Harvard College Library, Harvard University. Library. Open Collections Program, Leth, Andries de, 1662-1731., and Leth, Hendrik de, 1703-1766. This layer is a georeferenced raster image of the historic paper map entitled: Carte nouvelle de la mer du Sud : dressee par ordre des principaux d... Harvard Map Collection, Harvard College Library.
2000. University of Minnesota. Institute on the Environment. This raster dataset represents the average yield for wheat 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 depicts equal area climate bins for wheat crops. Climate bins are defined by precipitation and growing degree days in crop area... 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 wheat 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 wheat 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 wheat crops that were harvested circa 2000. Croplands cover ~15 mil... University of Minnesota. Institute on the Environment.