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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.
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.
1806. Barlow, sculp. and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa from 1806 titled "Africa form the latest authorities." This map... Stanford Digital Repository.
1818. Stanford Geospatial Center and Pinkerton, John, 1758-1826. This layer is a georeferenced raster image of an historic continental map of Africa originally created by John Pinkerton in 1818. All map collar an... Stanford Digital Repository.
1821. Woodbridge, William C. (William Channing), 1794-1845 and Stanford Geospatial Center. This layer is a georeferenced raster image of an historic paper map of Africa. This continental map was originally created by William Channing Wood... Stanford Digital Repository.
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, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890, 1891, 1892, 1893, 1894, 1895, 1896, 1897, 1898, 1899, and 1900. Stanford Geospatial Center. This layer is a georeferenced raster image of an historic continental map of Africa from the 19th century. All map collar and inset information is ... Stanford Digital Repository.