American caves and caving / Halliday, William R.

Author:

ISBN13: 
9780064635561
9780060117474
LCCN: 
72009121
Compare Title: 
americancavesandcavingtechniquespleasuresandsafeguardsofmoderncaveexploration
Call Number: 
796.5

American caves and caving

techniques, pleasures, and safeguards of modern cave exploration
  • Halliday, William R.
1982
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