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- Ice Cave Research of the United States
- ADM ISSUE 13 Single Pages
- The Nss Bulletin
- Diving the Ancient Mayan Underworld Is Located in the South of the Contiguous Mexican States
- Comparing Flow-Through and Static Ice Cave Models for Shoshone Ice Cave Kaj E
- Giant Ice Cave NPS Staff Seasonal Ice Columns Form in Mid-Winter and Early Spring
- History of Ice at Candelaria Ice Cave, New Mexico
- CRF Annual Report 2012-2013
- A Glossary of Karst Terminology
- Studying Caves and Speleology
- VOLCANIC SHOW CAVES William R
- 4Th International Show Caves Association (ISCA) Symposium
- Crescent Cave CAL'endar of EVENTS
- Salzburg, Austria)
- Diving the Ancient Mayan Underworld Is Located in the South of the Contiguous Mexican States
- Ice Cave Monitoring at Lava Beds National Monument
- CAVE PUBLIC ACCESS Deschutes National Forest
- "Information Circular 40: Caves of Washington (1963)