what are all the canal names?
aberdeenshire canal, buchan canal, caledonian canal, crinan canal, dingwall canal, forth and clyde canal, glasgow, paisley and johnstone canal, monkland canal, stevenston canal, union canal
how long are they in miles?
18, , 62, 9, 1.1, 35, 11, 12.25, 2.25, 31.5
and which is twice as long as crinan canal?
aberdeenshire canal