National Grid Reference System for Northern Ireland composed of 292 sheets and provides the naming convention for the 1:10 000 scale mapping. The 10k Grid is published here for Open Data and can be...
The first segment of a stream is a 1st order stream. When two 1st order streams merge the next segment becomes a 2nd order stream. When two 2nd order streams merge it becomes a 3rd order stream and...
The Causeway Coast and Glens is an area of breathtaking beauty where the rugged coastline merges with a romantic landscape of deep, silent glens and lush forest parks and boasts three Areas of...