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