Howlett Farm ridge and furrow (Hartburn) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
(1) This site was seen on aerial photographs (Ref: NZ1083A-C and NZ1084A 1987 by T Gates, Museum of Antiquities Newcastle). Further details about looking at a copy of these photographs can be obtained form the home page.