[Cave-survey-archive] from Harry Pearman
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I noted with interest the report on Toughprint in the last issue of Descent. This is water/tear/mud proof paper which can be put in an ink jet A4 printer or a photocopier. Ideal for User Defined Surveys I would think.
q = open shaft w = shaft with removable cover e = closed shaft (including blocked and capped shafts) r = open adit or drift entrance t = adit/drift entrance with barrier which can be passed y = permanently closed adit/drift entrance u = boundary of walled section of passage or shaft i = boundary of traversable collapse o = blocked passage p = boundary of run of roof props a = unsurveyed passage s = unentered passage d = location of significant graffiti or carving f = location of artefact g = work face