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How should I cite datasets and services from The National Map?

The USGS does not require a specific format when citing data obtained through The National Map; you should follow the citation guidelines provided by instructors or publication editors as appropriate. The following should help you find the information that you need: 

Citation for Datasets

  • Author: U.S. Geological Survey

  • Release date: the first four numbers of <pubdate> from dataset metadata for the year of the release date. For example, if the <pubdate> is 20190426, the year 2019.

  • Title: depends on the dataset. Examples include: National Hydrography Dataset, 3D Elevation Program 1-Meter Resolution Digital Elevation Model, Watershed Boundary Dataset, or 3D Elevation Program Lidar Point Cloud. 

  • Version: <title> from dataset metadata

  • Access information: date accessed and URL for webpage used to access the data

Dataset examples:

U.S. Geological Survey, 2019, National Hydrography Dataset (ver. USGS National Hydrography Dataset Best Resolution (NHD) for Hydrologic Unit (HU) 4 - 2001 (published 20191002)), accessed October 23, 2019 at URL https://www.usgs.gov/core-science-systems/ngp/national-hydrography/access-national-hydrography-products

U.S. Geological Survey, 2019, 3D Elevation Program 1-Meter Resolution Digital Elevation Model (published 20200606), accessed October 23, 2019 at URL https://www.usgs.gov/core-science-systems/ngp/3dep/data-tools  

 

Citation for Web services

Web service examples:

U.S. Geological Survey, 2019, USGS TNM Hydrography (NHD), accessed June 7, 2019 at URL https://hydro.nationalmap.gov/arcgis/rest/services/nhd/MapServer.

U.S. Geological Survey, 2019, USGS 3D Elevation Program Digital Elevation Model, accessed June 7, 2019 at URL  https://elevation.nationalmap.gov/arcgis/rest/services/3DEPElevation/ImageServer

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