Gully : A relatively steep-sided water channel formed on a hillside. A gully might only contain water during periods of heavy rain. Gullies are dangerous topographical features because they can support extreme fire behaviour
Dr. Robert Stacey (compilor), European Glossary of Wildfire Terminology (Covering areas of wildfire environment, fire behaviour, fuel, topography, weather, wildfire suppression operations, safety, incident command, tactics, cartography and map reading, equipment, aerial operations, wildfire preparation, prevention and recovery, prevention and detection, fire investigation and restoration), EUFOFINET (European Forest Fire Networks) Project, Northumberland Fire and Rescue Service, Northumberland UK 2012 (1st Ed.). http://www.fire.uni-freiburg.de/literature/EUFOFIN ET-Fire-Glossary.pdf, (For Fr - Brit) {808}