Salt Creek Trenching for Earthquake Study (04/05-CD-21)
- SCH Number
- Lead Agency
- Parks and Recreation, Department of (California Department of Parks and Recreation)
- Document Title
- Salt Creek Trenching for Earthquake Study (04/05-CD-21)
- Document Type
- NOE - Notice of Exemption
- Document Description
- Project consists of conducting a geological study to extend the known history of the southern San Andreas fault's past behavior. The project will be conducted in two phases, both within the Salt Creek drainage. Phase 1 involves the excavation of a single 120' logn by 10-15' deep (fault perpedicular) trench to evaluate subsurface geological deposits for earthquake study. Phase 2 involves the excavation of two 200-250' long by 10-15' deep fault-parallel trenches, and a number of approx. 50' long fault perpendicular trenches, in order to trace offset beds across the fault. Sediment fencing, or other sediment control measures, will be employed to prevent any flow of sediment from the excavation sites into Salt Creek. All trenches will be refilled and landscaped when the study is complete. A State Parks archaeologist and paleontologist will be present during all excavations to assess and preserve any significant cultural or fossil resources unearthed.
- Contact Information
California Department of Parks and Recreation
Colorado Desert District 200 Palm Canyon Drive
Borrego Springs, CA 92004
Phone : (760) 767-4315
Notice of Exemption
- Exempt Status
- Categorical Exemption
- Type, Section or Code
- Section 15304, 15306
- Reasons for Exemption
- An archaeologist will ensure avoidance of significant impacts to cultural resources. A paleontologist will ensure avoidance of significant impacts to paleontological resources. Temporary use of land having negligible or no permanent effects on the environment. Ground surface will be restored. Basic data collection, research, and resource evaluation activities which do not result in a serious or major disturbance to an environmental resource.
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