19th June 1999, Martha, Rob, Martin & Delicia. 20 miles (3 of us) along Greensand Ridge Walk from Leighton Buzzard. Got train back from Flitwick to Luton. Martin & Delicia returned half-way through. 074, Bedfordshire Circular Walks 1, 31-05-99076, Bedfordshire Circular Walks 3, 26-06-99