Flanders is composed of an alternation of aquifers (sand, gravel, chalk, rock, etc.) and regionally occurring non-aquifers (e.g. clay). The sequence of these aquifers and aquitards has its own coding
This layer gives the appearance limits of A0258, as defined in the Hydrogeological 3D model of the Flemish subsurface — version 2.1. The Hydrogeological 3D model was drawn up in the framework of the m
This dataset provides line work of fault, fold, and unknown scarps mapped along the margins of Crowleys Ridge in the New Madrid seismic zone, Arkansas and Missouri.