Elevation contour lines within the Wye catchment at 10 and 20 metre intervals.
Publication date: 2010-06-18
This dataset is part of the following
The contour lines have been digitised from a scanned topographic map: Plynlimon Catchment Areas - Wye Catchment. Sheet No. 2. Scale 1:5000. Wallingford, Berkshire. Institute of Hydrology, Natural Environmental Research Council, 1968.