title: Merge two List<object> into one List in Linq
body: <p>I have two lists. <code>BeamElevations&lt;Elevation&gt;</code> and <code>FloorElevations&lt;Elevation&gt;</code>. How can I merge these into <code>Elevations&lt;Elevation&gt;</code> list and order them based on their Elevation using Linq?</p>