Search Results
2000. This raster dataset depicts the average number of hectares per land-area of a gridcell for abaca fiber crops. Data quality categories include (0= m... University of Minnesota. Institute on the Environment.
2000. This raster dataset represents total abaca fiber crop production in metric tons. Harvested area in hectares was multiplied by yield per hectare to ... University of Minnesota. Institute on the Environment.
1956. San Francisco Redevelopment Agency (San Francisco, Calif.). This layer is a georeferenced image of a map showing acquisitions in the Western Addition of San Francisco. This map was created as part of a redev... Stanford University. Center for Spatial and Textual Analysis.
1940. Stanford Geospatial Center. This layer is a georeferenced raster image of an historic regional map of Egypt originally created in 1840. All map collar and inset information is... Stanford Digital Repository.
1825. Arrowsmith, Aaron, 1750-1823, Stanford Geospatial Center, and Arrowsmith, Samuel, -1839. 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.
1841. Stanford Geospatial Center and Cruchley, G. F. This layer is a georeferenced raster image of an historic continental map of Africa from 1841 originally created by G.F. Crutchley. All map collar ... Stanford Digital Repository.
1800, 1801, 1802, 1803, 1804, 1805, 1806, 1807, 1808, 1809, 1810, 1811, 1812, 1813, 1814, 1815, 1816, 1817, 1818, 1819, 1820, 1821, 1822, 1823, 1824, 1825, 1826, 1827, 1828, 1829, 1830, 1831, 1832, 1833, 1834, 1835, 1836, 1837, 1838, 1839, 1840, 1841, 1842, 1843, 1844, 1845, 1846, 1847, 1848, 1849, 1850, 1851, 1852, 1853, 1854, 1855, 1856, 1857, 1858, 1859, 1860, 1861, 1862, 1863, 1864, 1865, 1866, 1867, 1868, 1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, and 1880. Whittle, James, -1818 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa from 1800. Even though the map depicts extensive knowledge of t... Stanford Digital Repository.
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.