(Williamsburg Alliance Church, PA-07-04) SW of Williamsburg, Woodbury Township, Blair County, PA. PA866 (High St.) SW 1.5 miles from jct with 1st St. in Williamsburg to the church on the E. side of the road at 5270. (N40 26.784 W78 13.287) Photos by Bruce Nichols 3-3-07.