%T UK Acid Waters Monitoring Network (UKAWMN) - Contract 22 01 249 Llyn Cwm Mynach, Afon Hafren and Afon Gwy Annual Summary Progress Report April 2012 - March 2013 %C London, UK %D 2013 %A E Shilland %L discovery10133167 %I ECRC (Environmental Change Research Centre, University College London)