Finding terrain mapping can be an uphill battle
Elevation data from FBS is usually sold as either DEM with spot heights and break lines, or, as 1m interval contour lines derived from those DEM, but, we have a few other products you might not know about.
As you can see in the chart, there are five products that you can extract elevation data from. Each has different types of deliverables, precision, and geographic coverage:
Download this handy cheat sheet for your reference:
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