Figures 15a and 15b: Bronze Age land enclosures: the distribution of entries provably of that date (15a) differs significantly from that of the possibles (15b). The additional concentration amongst the latter on the Magnesian Limestone belt in West Yorkshire might suggest field systems originating here in the Bronze Age.
| Yorkshire Location Map | a. Bronze Age Only Land Enclosure |
b. Bronze Age All Land Enclosure |
| with elevation | with elevation | |
| with Magnesian Limest. |