http://inspire.ec.europa.eu/codelist/BreakLineTypeValue/bottomOfSlopeINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 17:29 PM CEST2015-08-18 17:29 PM CESTbottom of slopeBreak line representing the lower boundary of an area having a constant slope in the terrain surface, typically varying approximately between 2° and 40°.