The NSS Bulletin - ISSN 1090-6924
Volume 41 Number 1: 23-26 - January 1979
A publication of the National Speleological Society

Traverse Blunders and Their Detection
Elbert Bassham

Abstract

This technique reveals the existence of blunders, whether the blunder is likely to be vertical or horizontal, and its probable location and magnitude. Small random errors probably will keep parallel lines from being exactly parallel and the intersections of the normals from falling at exactly the same points. However, if the random errors are sufficiently small and the blunders sufficiently large, this technique is very effective. The number of points in the traverse is not limited, nor does it matter if the traverse crosses itself (as in a figure eight).

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