( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1928
|
( 2) General reference
T Lancs & Ches AS XI 1893 158 Map 160 (T Wilkinson & W Harrison)
|
( 3) General reference
Arch XXX 553 (S Martin)
|
( 4) General reference
Lancs Megalith File 1923 (C W Phillips)
|
( 5) Ordnance Survey Map (Scale / Date)
OS 6" 1968
|
( 6) Field Investigators Comments
F1 BHP 04-SEP-74
|
(7) General reference
English Heritage Scheduling Amendment 23/9/94
|