Mapio ardaloedd chwilio am safleoedd gwastraff isranbarthol = Mapping areas of search for sub-regional waste sites /
Wales.Welsh Assembly Government.
Caerdydd : Llywodraeth Cynulliad Cymru,
2005.
Includes 6 maps (scale 1:200,000) in individual plastic pockets.
Accompanied by Crynodeb gweithredol = Executive summary.
Land use
Refuse and refuse disposal
Regional planning