https://communities.bentley.com/products/road___site_design/f/geopak-inroads-mx-openroads-forum/91110/import-cogo-point-relative-to-surfaceI am looking for assistance determining how to generate a surface from Geophysical data representing the bottom of the pavement layer. The data is in the format of Station, Offset (or Northing, Easting) and Elevation Below the Ground surface. The Texten-USTelligent Community 12https://communities.bentley.com/thread/260950?ContentTypeID=1Mon, 30 Sep 2013 22:00:57 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:2463b90a-fd5f-49f4-a093-695f129046f3Kate Severson<p>One option that I&#39;ve used is the Import Subsurface application add-in. You can import a text file and create a surface, then view the soil horizons in a cross section. The subsurface data is defined as point data measured down from a base surface.</p><div style="clear:both;"></div>