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  • National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012

    Metadata Updated: November 12, 2020

    This is a coverage of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit investigations in the conterminous United States, excluding the High Plains Regional Ground-Water Study. The data set represents the areas to be studied during the second cycle of the NAWQA Program, from 2001-2012 ("cycle 2").

    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 January 30, 2006
    Metadata Created Date November 12, 2020
    Metadata Updated Date November 12, 2020
    Reference Date(s) January 31, 2006 (publication)
    Frequency Of Update THIS DATA SET REPRESENTS THE INITIAL VERSION OF CYCLE 2 STUDY UNIT BOUNDARIES THAT EXIST AT THE START OF THE SECOND DECADE OF STUDY.

    Metadata Source

    Harvested from DOI Open Data

    Graphic Preview

    This is an image of a national map showing the cycle 2 NAWQA Study Unit boundaries.

    Additional Metadata

    Resource Type Dataset
    Metadata Date January 30, 2006
    Metadata Created Date November 12, 2020
    Metadata Updated Date November 12, 2020
    Reference Date(s) January 31, 2006 (publication)
    Responsible Party U.S. Geological Survey (Point of Contact)
    Contact Email
    Guid
    Access Constraints Use Constraints: Accuracy is good at 1:2,000,000 or smaller in most cases. The Study-Unit source maps come from various sources and scales., Access Constraints: None.
    Bbox East Long -65.356310
    Bbox North Lat 51.601234
    Bbox South Lat 22.877918
    Bbox West Long -127.872474
    Coupled Resource
    Frequency Of Update THIS DATA SET REPRESENTS THE INITIAL VERSION OF CYCLE 2 STUDY UNIT BOUNDARIES THAT EXIST AT THE START OF THE SECOND DECADE OF STUDY.
    Graphic Preview Description This is an image of a national map showing the cycle 2 NAWQA Study Unit boundaries.
    Graphic Preview File http://water.usgs.gov/nawqa/map/cyc2_browse.gif
    Graphic Preview Type GIF
    Licence Although this data set has been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of this data, software, or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
    Metadata Language
    Metadata Type geospatial
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True

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