With terms like "river crest," "datum points," and "CFS" being thrown around, figuring out how high the water will rise in your crawl space and when can be difficult. Thankfully, Rita Lee ...

According to The Ohio State University professor Dr. John Fulton, there is a new ag “datum” or set of reference point measurements, coming to GPS systems in 2026. “So, what’s happening is ...

or a single datum point, often found in the corner of a design. In a circular shape, it would be around the edge or from the centre.