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| Page | Author | Content | Tag |
| 6-8 | John Hartwel | Taf Fawr Caves, Cefn Coed | UK,S Wales |
| Page | Author | Content | Tag |
| 6-9 | John Hartwel | Recent Developments in Water Tracing Methods | UK,S Wales |
| Page | Author | Content | Tag |
| 20 | John Hartwell | Note on Water Divining [possibly related to electro-osmosis?] | dowsing,UK,S Wales |