British League north
Glasgow, Edinburgh, Berwick, Workington, Redcar, Belle Vue, Sheffield
British League south
Scunthorpe, Kings Lynn, Leicester, Ipswich, Oxford, Poole, Plymouth
No GP riders, doubling up allowed, low points limit to begin with. 5 or maybe 6 per team
Each League has separate champions decided by playoffs, or even just a 1st v 2nd final. Grand Champions decided by number of heat wins throughout the season
NDL consisting of BL "second teams" plus stand-alone clubs. Minimum of two over-35 riders per club