Block object manipulation in Grasshopper

I am working a geodesic survey data. In my Rhino file the points are given by interesecting two lines which are in a Block object. How can explode these objects in Grashopper in order to find the intersecting points so that I can generate real points?

points.3dm (491.0 KB)

Human or Elefront can reference and Deconstruct Blocks in Grasshopper.