Thwing context database, containing the final publication interpretations as well as the original context register information recorded on-site. Context number, phase, area, feature number, volume in cubic metres, context type (both final and original type assigned on-site), context character (both final and original character assigned on-site), interpretations made on-site, nature of interfaces noted during excavation, stratigraphic problems, risk of contamination, volume of buckets and barrows from which the final volume in cubic metres was derived, description of the sediment matrix, coarse inclusions in the sediment, texture of sediment, colour of sediment, confidence of interpretation, year excavated, Trench, and whether or not the context was excavated with trowel, shovel, mattock, pickaxe, sieve, spade, zappa, or sampled for flotation.