Arthington Tunnel memorial plaque, 1849
1849
1849
circa 1840
1842
1850
1842
1840-1850
1847
1842
1845
1845
1848
1851
1934
1851
1850
1849
1850
1845
2000-100 BCE
1893-4
1850
1848-1852
1846
1841
1863-7
1840
1852
1843
1845-1851
1841
1840-1845
1840-1851
1955; 1830
1844
1844
1840
1849
1846
1851
1849
1849
1990-96
1842
1850
1930 (replica); 1834 (original)
circa 1846
circa 1850s
circa 1850
circa 1848
1851