Add Temporary Reference Point

You can add your own reference points by entering an address here and clicking "Add Point." Added points appear with a blue marker for distinction.

Using the Control Points Map

  1. Use the pan and zoom tools in the upper-left corner of the map to help locate your area of concern.
  2. Add a temporary reference point of your own if needed to help find your area.
  3. Each red marker represents a specific GPS control point.
  4. Click a marker to see more information for that marker.
  5. Click the "Show diagram" link in a marker's information window to view the details as a PDF file.