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