Survey

Survey
Spider Hole November 2021

Thursday 16th February 2017

John Cooper, Adrian Vanderplank and Jude Vanderplank. Adrian drilled 2 900mm x 10mm holes, charged with 40gm cord and fired. 1½ hours. John.

John Cooper, Jude & Myself. Down to the bottom and 2 x 900mm holes drilled in the wall & floor. Both loaded with 40gm cord, fired & retired. Very little draught tonight due to there being very little temperature difference between outside and inside. Adrian.