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| Yuba
River Development |
Foothill Faults | Fault Legend | Location Map |
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| Section, 1988 | Critical Surfaces, Spencer's Method |
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| 1931 |
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| 1935 |
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| 1936 |
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| 1946 |
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| 1972 |
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| 1983 |
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| 1987 |
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| July 1999 |
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| October 1999 |
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| November 1999 |
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| December 1999 |
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| August 2000 | |
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| August 2004 |