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Acknowledging or Crediting USGS as Information Source

Revised January 14, 2004

Most U.S. Geological Survey (USGS) information resides in the public domain and may be used without restriction. There is no legal requirement for users to acknowledge or credit USGS as the source for public domain information, but they may wish to do so as a courtesy. If you wish to acknowledge or credit USGS as an information source of data or products, use a line of text as shown in the guidance below.

For photograph acknowledgments, instead of the text line, the USGS identifier may be used as a signature or watermark in the lower left corner of the photograph. To obtain permission to use the identifier for this purpose, send an email to

If you are an outside organization that has a cooperative partnership or contractual agreement with the USGS that will result in the creation of various products and you plan to use the USGS identifier, refer to for guidance.

When Using USGS Information at No Cost

When Purchasing and Reproducing USGS Information for Resale

When Packaging USGS Information with Non-USGS Products for Resale

When Value-Adding to USGS information for Resale

Optional Statement

The following statement may be added after an acknowledgment or credit:

The USGS home page is

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U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Last modification: 14-Jan-2004@16:08
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