West Branch of the Great Drain, showing change of construction technique in the east wall of the drain ... AMS east 8348 ... 11 Apr 1956
View showing conservation work done on the drain. Wall towards north has been built up and drain generally cleaned ... AMS north 8346 ... 11 Apr 1956
Notebook ... R. S. Young ... 8201 8399 ... 1947-1949, 1956
