Spatial Extent and Structures
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A Geologic map of the area by Bateman 1992, shows the region to have predominately NW trending structural features. |
This map depicts the observed active seismicity 1978 to 1999 and the inferred NNE lineaments, the caldera rim and the Hilton Creek Fault. |
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Lineations in aerial photography indicate 2 observable NNE trending
structural features.
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