7 books • 5 series
The Soil (Collins New Naturalist Library, #77)
Geology of the Whithorn, Kirkcowan and Wigtown District (Geological Memoirs & Sheet Explanations (England & Wales))
Process Plant Contracting World-wide
The Sand and Gravel Resources of the Country Around Mold, Clwyd (Mineral Assessment Reports)
The Sand and Gravel Resources of the Country South of Wrexham, Clwyd (Mineral Assessment Reports)
Soils of Snowdonia (Journal Offprints S.)
Morphology and Distribution of Features Resulting from Frost Action in Snowdonia (Journal Offprints S.)