Fig. 7: Top 5% most characteristic mapotypes by time strata.
From: A fragment-based approach for computing the long-term visual evolution of historical maps

a 1605–1730; b 1731–1770; c 1771–1817; d 1818–1834; e 1835–1849; f 1850–1866; g 1867–1884; h 1885–1900; i 1901–1950.