R. J. Marks

• Mineral Assessment Report the Sand (Mineral Assessment Reports)
• Aspects of civil engineering contract procedure
• Potato cyst nematodes
• The sand and gravel resources of the country north-east of Halstead, Essex
• The sand and gravel resources of the country around Clare, Suffolk
• The sand and gravel resources of the country around Sible Hedingham, Essex
• The sand and gravel resources of the country between Hatfield Heath and Great Waltham, Essex