• The references in this column are the classifications in the table on p. 18.

• The references in this column are the classifications in the table on p. 18.

(a)

Manod (Granite) Quarry

232 14.6

Talysarn (Slate) Quarry

236 26.5

237 4.8

21

* The references in this column are the classifications in the table on p. 18.

• The references in this column are the classifications in the table on p. 18.

• The references in this column are the classifications in the table on p. 18.

1

(e)