Geologic map of the Silver Lake quadrangle, Cowlitz County, Washington

Metadata Updated: November 12, 2020

This digital map database, compiled from previously published and unpublished data, and new mapping by the authors, represents the general distribution of bedrock and surficial deposits of the Silver lake 7.5 minute quadrangle. The database delineates map units that are identified by general age and lithology following the stratigraphic nomenclature of the U.S. Geological Survey. The scale of the source maps limits the spatial resolution (scale) of the database to 1:24,000 or smaller.

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources

Dates

Metadata Date June 13, 2016
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) January 1, 2001 (publication)
Frequency Of Update asNeeded

Metadata Source

Harvested from DOI Open Data

Graphic Preview

Reduced-size image of the entire map sheet, 450x379 pixels, 24-bit color, 48k bytes.

Additional Metadata

Resource Type Dataset
Metadata Date June 13, 2016
Metadata Created Date November 12, 2020
Metadata Updated Date November 12, 2020
Reference Date(s) January 1, 2001 (publication)
Responsible Party U.S. Geological Survey, GEO-WRG-NGM (Point of Contact)
Contact Email
Guid
Access Constraints Use Constraints: Uses of this digital geologic map should not violate the spatial resolution of the data. Although the digital form of the data removes the constraint imposed by the scale of a paper map, the detail and accuracy inherent in map scale are also present in the digital data. The fact that this database was edited for a scale of 1:24,000 means that higher resolution information is not present in the dataset. Plotting at scales larger than 1:24,000 will not yield greater real detail, although it may reveal fine-scale irregularities below the intended resolution of the database. Similarly, where this database is used in combination with other data of higher resolution, the resolution of the combined output will be limited by the lower resolution of these data., Access Constraints: None
Bbox East Long -122.749430
Bbox North Lat 46.374998
Bbox South Lat 46.250002
Bbox West Long -122.875284
Coupled Resource
Frequency Of Update asNeeded
Graphic Preview Description Reduced-size image of the entire map sheet, 450x379 pixels, 24-bit color, 48k bytes.
Graphic Preview File http://pubs.usgs.gov/mf/2001/2371/images/slake.gif
Graphic Preview Type GIF
Licence Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this publication has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True

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