Different Products or Services that are known as Digital Maps
Let us help you find the type of digital maps you’re looking for. The term “digital maps” is rather broad. Any map (and there are, of course, many different kinds of maps) that is in…
How Elevation is Determined
by Curt Sumner, LS (VA and MD) The definition of elevation as stated in the American Congress on Surveying and Mapping (ACSM) publication Definitions of Surveying and Associated Terms is: The vertical distance from a datum, generally…