| | | | | | | | | Coleman, Kevin (Self and AEG Texas Section AEG National AIPG National) |
| | | | Cowan, Matthew (Self and Texas Association of Professional Geoscientists) |
| | | | Mathewson, Christopher (Self) |
| | | | Rensink, David (Houston Geological Society) |
| | | | | | | | Clark, Lynn (Texas Board of Professional Geoscientists) |
| | | | Lowenstein, Glenn (Texas Board of Professional Geoscientists) |
| | | Registering, but not testifying: |
| | | | | | | | Horton, Charles (Texas Board of Professional Geoscientists) |
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