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Subject (Region)
- California[remove]41
- Santa Barbara County3
- Elk Hills2
- Los Angeles Basin2
- Lospe Formation (Calif.)2
- Monterey Formation (Calif.)2
- Obispo Formation (Calif.)2
- Santa Barbara Channel2
- Santa Clara Valley (Santa Clara County)2
- Santa Maria Basin2
- Santa Maria Basin (Calif.)2
- United States2
- Ventura Basin2
- Baldwin Hills1
- Baldwin Hills (Mountains)1
- Casmalia Hills1
- Casmalia Hills Region1
- Dagestan1
- Kern County1
- Kettleman Hills1