Geomorphic responses to the sudden blocking of a fluvial system: Aiyansh lava flow, northwest British Columbia Roberts, Michael C. ; McCuaig, Shirley J. Abstract Publication: The Canadian Geographer Pub Date: June 2001 DOI: 10.1111/j.1541-0064.2001.tb01492.x Bibcode: 2001CGeog..45..319R