Boundary marker from Stockton & Darlington Railway
circa 1821-1825
circa 1821-1825
1801-1900
1957
1901-1930
1993
1947
1823-c1960
circa 1821-1825
1801-1900
1982
1982
1982
(1969); 2013
1943-1947
1846
9 September 1944
1839
1906
1994
1818
1930
1935
1926-09
1926-09
1926-09
1982
1982
1982
1969
19 December 1933
1987
9 September 1944
1995
1897
1930
1870
1878-1881