Before the boundaries of the national park were designated, Snowdonia was generally used to refer to a smaller area, namely the upland area of northern centred on the Snowdon massif, whereas the national park covers an area more than twice that size extending far to the south into . This is apparent in books published prior to 1951, such as the classic travelogue Wild Wales by George Borrow (1862) and The Mountains of Snowdonia by H. Carr & G. Lister (1925). F. J. North, as editor of the book Snowdonia (1949), states When the Committee delineated provisional boundaries, they included areas some distance beyond Snowdonia proper. The traditional Snowdonia thus includes the ranges of Snowdon and its satellites, the , the , the and the Moel Hebog group. It does not include the hills to the south of . As (see above), this area has a unique place in Welsh history, tradition and culture.