Decorated keystone from South Stockton arch, Thornaby station
1842
1842
1842
1934
2000-100 BCE
1893-4
1841
1863-7
1841
1955; 1830
1842
1775-1799 (original); 1900-1907 (model)
1990-96
1842
1705-1737
1870-1877
1842
1841
1772 (original); 1919 (model)
1801-1840 (original); 1901 (model)
4000-2001 BCE
1930 (replica); 1834 (original)
circa 1842
1830 (original); 1967 (model)
1842
1870-10
1842
1883-01
1730; 1967
1872-08
1972-3
2500 BCE
1880-120
1860-1820
1841
1871-1830
1915-1825
1990-95
1901-950
1841
1800-1830
1800-1830
1066; 1876
1888-185
1945-50
1841
1842
3000-1500
3000-2000 BCE
1834-1836
2000 BCE