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Does anyone use Digital Elevation Models (DEM) in GIS software to determine elevation for designs of gravity fed systems?

Is GIS easier to use than abney levels or theodolites for partners that do not have such skills? Are there any other options that people are using to determine elevations/slopes change?

Does anyone use Digital Elevation Models (DEM) in GIS software to determine elevation for designs of gravity fed systems?

Is GIS easier to use than abney levels or theodolites for partners that do not have such skills? Are there any other options that people are using to determine elevations/slopes change?

Does anyone use Digital Elevation Models (DEM) in GIS software to determine elevation for designs of gravity fed systems?

Is GIS easier to use than abney levels or theodolites for partners that do not have such skills? Are there any other options that people are using to determine elevations/slopes change?