cluster of stones laying horizontally, near the top of f8. Individual stones have not been triangularized, but relative measurements have been made.
[Input file: I716JLW.J / I716JLW.-J]
77 below section line in North baulk (which is 143 below m1870). Center point is 61 from Nbaulk, 145 from Wbaulk. See Sketch 5.
[Input file: I716JLW.J / I716JLW.-J]