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