National Historic Landscape Characterisation (NHLC) Project Client: Natural England Exegesis were appointed by Natural England to compile a national HLC dataset, drawing together the existing sub-regional HLC datasets and applying a common framework, structure and terminology to a new unified dataset. The aim of the project is to improve the awareness, understanding and ability to manage and monitor England’s historic landscape at a national scale. ... read more August 2017. Categories: Archaeology Conservation Management Planning Data processing Database GIS Heritage Historic Environment Record Landscape