I am starting to think that the Rebs may be attempting to totally disengage by moving east rather than south and then west towards Fremont as I had thought. If this is the case then I am in danger of losing contact with them completely.
Last turn my cavalry scouted Fitzhugh Lee's troopers and Kemper's Division on the road to Stevensburg but this turn I can no longer locate Kemper so he may have already passed east through the town.
Heintzelman's Corps has reached the town of Fremont and has also recovered to full combat effectiveness. Next turn I intend to use my whole CP allowance on scouting if necessary to locate Lee's main body.