3 items found

Soils in Devon. III: sheet SX47 (Tavistock) (1977)

D. V. Hogan

Soils in Devon. 6: Sheet SS63 (Brayford) (1981)

D. V. Hogan

Soils in Devon. 7: Sheet SS74 (Lynton) (1982)

D. V. Hogan