Comments

This material is in Caves and Karst of America, ed. by A. Palmer and M.V. Palmer, National Speological Society, 2009, pp. 189-196. It is posted with permission of the NSS President Gordon Birkhimer, in a letter dated May 21, 2010.

Disciplines

Earth Sciences | Environmental Indicators and Impact Assessment | Geography | Geology | Natural Resource Economics | Natural Resources and Conservation | Physical and Environmental Geography

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