Transgressive Contours--Salt Point to Drakes Bay, California

This part of DS 781 presents data for the transgressive contours for the Salt Point to Drakes Bay, California, region. The vector file is included in "TransgressiveContours_SaltPointToDrakesBay.zip," which is accessible from http://pubs.usgs.gov/ds/781/SaltPointToDrakesBay/data_catalog_SaltPointToDrakesBay.html.

As part of the USGS's California State Waters Mapping Project, a 20-m grid of depth to the transgressive surface of the last glacial maximum was generated for the areas within the 3-nautical mile limit between Salt Point and Drakes Bay was generated from seismic-reflection data collected in 2009 (USGS activity (S-8-09-NC) supplemented with outcrop and geologic structure from DS 781. The resulting grid covers an area of approximately 550 sq km. The depth to the transgressive surface of the Last Glacial Maximum ranges between 0 and 102 meters.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier USGS:2734a6ab-6077-4249-890a-f9807ed6fb9d
metadata_type geospatial
modified 20211021
old-spatial -123.473993, 37.868433, -122.762732, 38.640196
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash c99f6b8c64ce1a8e4448dbff0f56c550cdab8d23
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-123.473993, 37.868433], [-123.473993, 38.640196], [ -122.762732, 38.640196], [ -122.762732, 37.868433], [-123.473993, 37.868433]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • bodega-bay
  • ckan
  • coastal-geology
  • environment
  • geo
  • geoscientificinformation
  • geospatial-datasets
  • geoss
  • maps-and-atlases
  • marin-county
  • marine-geology
  • national
  • north-america
  • oceans
  • pacific-ocean
  • point-reyes
  • sediment-isopach
  • sediment-thickness
  • seismic-reflection-data
  • seismic-reflection-methods
  • sonoma-county
  • state-of-california
  • stratigraphic-thickness
  • united-states
  • usgs-2734a6ab-6077-4249-890a-f9807ed6fb9d
isopen False
license_id notspecified
license_title License not specified
maintainer PCMSC Science Data Coordinator
maintainer_email pcmsc_data@usgs.gov
metadata_created 2025-11-20T04:42:59.599223
metadata_modified 2025-11-20T04:42:59.599227
notes This part of DS 781 presents data for the transgressive contours for the Salt Point to Drakes Bay, California, region. The vector file is included in "TransgressiveContours_SaltPointToDrakesBay.zip," which is accessible from http://pubs.usgs.gov/ds/781/SaltPointToDrakesBay/data_catalog_SaltPointToDrakesBay.html. As part of the USGS's California State Waters Mapping Project, a 20-m grid of depth to the transgressive surface of the last glacial maximum was generated for the areas within the 3-nautical mile limit between Salt Point and Drakes Bay was generated from seismic-reflection data collected in 2009 (USGS activity (S-8-09-NC) supplemented with outcrop and geologic structure from DS 781. The resulting grid covers an area of approximately 550 sq km. The depth to the transgressive surface of the Last Glacial Maximum ranges between 0 and 102 meters.
num_resources 2
num_tags 27
title Transgressive Contours--Salt Point to Drakes Bay, California