pete.owens wrote:Gnitworp wrote:Many controls on the right linear feature are inevitably not absolutely accurately placed (misplaced controls in reentrants on steep hillsides are my pet aversion).
Which means that linear features should not really be used as control descriptions because they do not precisely define the position of a control site.
Absolutely not. Such sites just need more checks by pacing/bearings etc from clearly identifiable points to get any errors within acceptable tolerances.