P. N. Dunkley

3 published titles

The sand and gravel resources of the country around Maidenhead and Marlow : description of 1:25000 resource sheet SU 88 and parts SU 87, 97 and 98

1 edition

The sand and gravel resources of the country north of Wrexham, Clwyd : description of 1:25000 resource sheet SJ35 and part of SJ25

1 edition

Exploration, evaluation & testing of volcanic raw materials for use in construction

(Contributor)

1 edition