California Geological Survey - Special Report 217 (REVISED)

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California Geological Survey - Special Report 217 (REVISED)

Geologic Compilation of Quaternary Surficial Deposits in Southern California | December 2012

by
Trinda L. Bedrossian, CEG, Peter Roffers, Cheryl A. Hayhurst, PG, Jeremy T. Lancaster, CEG and William R. Short, CEG
Digital Preparations by Solomon McCrea, Barbara Wanish, Jim Thompson, Anita Carney, Michelle A. Meyers and Shannon Utley

The Department of Conservation, California Geological Survey (DOC/CGS), with funding from the Department of Water Resources (DWR), has completed an update of a Geographic Information System (GIS)-based compilation of high-resolution geologic maps of Quaternary age and older deposits in southern California from Santa Barbara to San Diego. Special Report 217 (REVISED) merges existing geologic mapping by various authors, and at different scales, into a common seamless format that normalizes and differentiates alluvial fan deposits, related Quaternary deposits, and various older deposits into 40 derivative units at a scale of 100,000 for the entire area. (

Click to read entire release statement)

Special Report 217 (REVISED) is available as a free download below or as a DVD for $45.00 plus $8.00 for shipping and handling.
Click here to order this DVD.

Project Files

Report (2.1 MB)

Project Index Map (24 MB)

Legend and Correlation Chart (599 KB)

Correlation of Derivative and Source Map Units (1.5 MB)

Appendix E (5.8 MB)

Appendix F (33 MB)

GIS Data

Southern California Quaternary Surficial Deposits Data (960 MB)

GIS Layer Files (26 KB)

Metadata (25 KB)

Maps

Simplified Alluvial Fan Areas

500k aerial (5.8 MB)

500k hillshade (5.5 MB)

Appendix F Mapbook (33 MB)

Geodatabase (28 MB)

Metadata (15 KB)

Click on the 30' x 60' Quadrangle Index Map, or see below for the complete list of individual map files

Amboy Quadrangle (updated July 10, 2012)
Blythe Quadrangle
Cuddeback Lake Quadrangle (updated July 10, 2012)
Cuyama Quadrangle (updated July 3, 2012)
El Cajon Quadrangle
Ivanpah Quadrangle (released July 3, 2012)
Lancaster Quadrangle (released June 8, 2012)
Long Beach Quadrangle
Los Angeles Quadrangle (updated July 10, 2012)
Mesquite Lake Quadrangle
Newberry Springs Quadrangle (released July 3, 2012)
Oceanside Quadrangle
Orange County 100k Map
Palm Springs Quadrangle (released December 20, 2012)
San Bernardino Quadrangle
San Diego Quadrangle
San Gabriel River Hydrologic Unit 100k Map
Santa Ana Quadrangle (updated December 20, 2012)
Santa Barbara Quadrangle
Sheep Hole Mountains Quadrangle
Soda Mountains Quadrangle (released December 20, 2012)
Taft Quadrangle (released March 13, 2012)
Tehachapi Quadrangle (released March 13, 2012)

Amboy 30’ x 60’ Quadrangle - Back to Top

Amboy Map (13 MB)
Amboy References (181 KB)
Amboy Geologic unit correlation table (101 KB)

Blythe 30’ x 60’ Quadrangle (West Half) - Back to Top

Blythe Map (8 MB)
Blythe References (213 KB)
Blythe Geologic unit correlation table (84 KB)

Cuddeback Lake 30’ x 60’ Quadrangle - Back to Top

Cuddeback Lake Map (13 MB)
Cuddeback Lake References (224 KB)
Cuddeback Lake unit correlation table (99 KB)

Cuyama 30’ x 60’ Quadrangle (Eastern Three-Quarters) - Back to Top

Cuyama Map (36 MB)
Cuyama References (275 KB)
Cuyama Geologic unit correlation table (90 KB)

El Cajon 30’ x 60’ Quadrangle - Back to Top

El Cajon Map (23 MB)
El Cajon References (222 KB)
El Cajon Geologic unit correlation table (77 KB)

Ivanpah 30’ x 60’ Quadrangle - Back to Top

Ivanpah Map (14 MB)
Ivanpah References (97 KB)
Ivanpah Geologic unit correlation table (116 KB)

Lancaster 30’ x 60’ Quadrangle - Back to Top

Lancaster Map (24 MB)
Lancaster References (182 KB)

Long Beach 30’ x 60’ Quadrangle (Onshore Portion) - Back to Top

Long Beach Map (6 MB)
Long Beach References (118 KB)
Long Beach Geologic unit correlation table (76 KB)

Los Angeles 30’ x 60’ Quadrangle - Back to Top

Los Angeles Map (32 MB)
Los Angeles References (268 KB)
Los Angeles Geologic unit correlation table (103 KB)

Mesquite Lake 30’ x 60’ Quadrangle (California Portion) - Back to Top

Mesquite Lake Map (11 MB)
Mesquite Lake References (200 KB)
Mesquite Lake Geologic unit correlation table (101 KB)

Newberry Springs 30’ x 60’ Quadrangle - Back to Top

Newberry Springs Map (16 MB)
Newberry Springs References (152 KB)
Newberry Springs Geologic unit correlation table (222 KB)

Oceanside 30’ x 60’ Quadrangle (Onshore Portion) - Back to Top

Oceanside Map (13 MB)
Oceanside References (206 KB)
Oceanside Geologic unit correlation table (85 KB)

Orange County 100k Map - Back to Top

Orange County Map (29 MB)
Orange County References (285 KB)
Orange County Geologic unit correlation table (95 KB)

Palm Springs 30’ x 60’ Quadrangle - Back to Top

Palm Springs Map (38 MB)
Palm Springs References (205 KB)

San Bernardino 30’ x 60’ Quadrangle - Back to Top

San Bernardino Map (36 MB)
San Bernardino References (268 KB)
San Bernardino Geologic unit correlation table (80 KB)

San Diego 30’ x 60’ Quadrangle (Onshore Portion) - Back to Top

San Diego Map (9 MB)
San Diego References (100 KB)
San Diego Geologic unit correlation table (78 KB)

San Gabriel River Hydrologic Unit 100k Map - Back to Top

San Gabriel River Hydrologic Unit Map (32 MB)
San Gabriel River Hydrologic Unit References (132 KB)
San Gabriel River Hydrologic Unit Geologic unit correlation table (101 KB)

Santa Ana 30’ x 60’ Quadrangle - Back to Top

Santa Ana Map (38 MB)
Santa Ana References (177 KB)
Santa Ana Geologic unit correlation table (137 KB)

Santa Barbara 30’ x 60’ Quadrangle (Onshore Portion) - Back to Top

Santa Barbara Map (17 MB)
Santa Barbara References (201 KB)
Santa Barbara Geologic unit correlation table (92 KB)

Sheep Hole Mountains 30’ x 60’ Quadrangle - Back to Top

Sheep Hole Mountains Map (19 MB)
Sheep Hole Mountains References (300 KB)
Sheep Hole Mountains Geologic unit correlation table (86 KB)

Soda Mountains 30’ x 60’ Quadrangle - Back to Top

Soda Mountains Map (22 MB)
Soda Mountains References (173 KB)

Taft 30’ x 60’ Quadrangle - Back to Top

Taft Map (12 MB)
Taft References (176 KB)

Tehachapi 30’ x 60’ Quadrangle - Back to Top

Tehachapi Map (20 MB)
Tehachapi References (187 KB)