| Period Notes |
Radiocarbon dates: GU-4599 Alder and Willow charcoal from layer of burned roundwood and charcoal on the surface of the turf or earth capping of a stone rampart core, from 1995 Tr 5. BP 2370 +/- 50, d13 –26.6 (800 to 250 cal BC). GU-4600 Willow charcoal, from same context as GU-4599. BP 2360 +/- 60, d13C –26.2 (800 to 200 cal BC). GU-4601 Hazel charcoal from interface between buried turf line and base of dump rampart in 1995 Tr 1. Probably deposited immediately before construction of rampart. BP 2250 +/-60, d13C –26.9 (410 to 160 cal BC). GU-4602 Birch charcoal from timber forming raft laid within rampart in 1995 Tr 2. Timbers laid on turf layer, burnt and then sealed with series of redeposited soil dumps. BP 2450 +/-50, d13C –25.9 (770 to 400 cal BC). GU-4603 Alder charcoal from same context as GU-4602. BP2440 +/-50, d13C –27.5 (770 to 400 cal BC). GU-4604 Alder charcoal from same context as GU-4602. BP 2480 +/-50, d13C -27.0 (780 to 410 cal BC). GU-7322 Charcoal of coppiced hazel from upper timber layer within rampart. Apparently burnt in situ. BP 2310 +/-50, d13C -26.1 (520 to 200 cal BC). GU-7323 As CU-7322. BP 2380 +/-50, d13C -26.2 (770 to 370 cal BC). OxA-8037 Charred barley fired in rock cut pit, layer 021 : BP 2520 +/- 35, d13C : -23.2 (800 cal BC to 510 cal BC). OxA-8038 Charred barley fired in rock cut pit, layer 021 : BP 2495 +/- 45, d13C : -24.3 (790 to 410 cal BC). OxA-8039 Charred barley fired in rock cut pit, layer 013 : BP 2535 +/- 40, d13C : -23.4 (810 to 510 cal BC). OxA-8062 Charred barley fired in rock cut pit, layer 013 :BP 2500 +/- 40, d13C : -24.5 (800 to 410 cal BC).
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Historic Environment Records (HER) 
Angus
HER -
NO56NE0001 - BROWN CATERTHUN