# Mineral Development Act (Northern Ireland) 1969, Paragraph 3


All of the following of Quaternary Age, namely, boulder clay, laminated clay, alluvial clay and silt.

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Source: https://www.legislation.gov.uk/apni/1969/35/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/mineral-development-act-northern-ireland-1969/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.