<<<< The finished section. Note how the individual pickets, while level at the top, follow the contour of stones at the bottom:
A key component >>> was this iron "ledge", bolted to a boulder to support a post, in mid-air, as it were:
In the spring of 2011, new owners had me back to the scene of one of my all-time favorite fences. They needed the original fence extended and modified for better dog containment. The challenge: to "walk" the new section over massive boulders: