Paratoi ar gyfer llifogydd : cyfarwyddyd dros dro ar gyfer gwella gallu eiddo domestig a busnesau bychan i wrthsefyll llifogydd : Chwefror 2002 = Preparing for floods : interim guidance for improving the flood resistance of domestic and small business properties : February 2002.
Great Britain.Department for Transport, Local Government and the Regions.
London : Dept. for Transport, Local Government and the Regions,
2002.
Flood control
Flood damage prevention