SV to Palominas via Hereford Rd/San Pedro

This is a good test of late-ride endurance.  From Sierra Vista to the San Pedro river on Hereford road is mostly flat or down-hill riding.  But from the river to Palominas, then Palominas to the turn north on Hwy 92 is just about all uphill, and usually accompanied by a westerly head wind.  The end of the ride, though is downhill and/or flat, which is needed after that long climb out of Palominas.  About a 50-mile ride.