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