Schedule 1, part 3—
(a) gives an explanation of the characteristics of a typical middle valley reach and associated watercourse; and
(b) includes a diagram (Diagram D) in cross-section form depicting the natural features that are likely to be found in a typical middle valley reach; and
(c) includes a diagram (Diagram E) depicting the natural features that are likely to be found in a typical watercourse in a middle valley reach and can help in locating non-tidal boundaries (watercourse).