Bulletin of the National Speleological Society - ISSN 0146-9517
Number 12: 43-53 - November 1950
A publication of the National Speleological Society
One of the most important contributions which can be made to speleological science is the construction of accurate maps of existing caverns. The author, a recognized authority on karst topography and limestone terranes, presents herein some valuable suggestions to the cave enthusiast which will enable him to perform this necessary cartogarphic function with a minimum for equipment and knowledge.
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3 August, 2002 7:31
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