Bing Map Images with Assumed Coordinates
Employ Bing Map Tools in Projects in Assumed Coordinate Systems and Basis of Bearing
Alan Gilbert of Autodesk explains how to employ the AutoCAD GEOLOCATION command and Bing Map tools with work in assummed coordinates and assumed basis of bearing.
Video from Alan's YouTube Channel.
and the Civil Immersion blog.
Alan mentions Jerry Bartels' video about how to employ Civil 3D Geolocation By Address.