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North American Landscape Characterization (NALC) triplicate data of Mexico contain digital elevation data which were provided by Mexico's National Institute for Statistics, Geography, and Informatics (INEGI) . These data sets have been provided by INEGI for use in scientific investigations and projects conducted by government agencies, universities, and non-profit organizations. They are not to be used for commercial applications. If you would like to use these data for commercial purposes, they may be purchased from INEGI.

In order to preserve the commercial markets INEGI has developed for these data sets, we request that you complete an application and sign an agreement (follow these links to print out copies of the forms from your web browser).

The original completed and signed agreements must be delivered in the mail to LP DAAC User Services. These agreements will be kept on file for reference and are applicable towards any future requests.

Please send the completed application and agreement forms to the following address:

    Customer Services
    U.S. Geological Survey
    EROS Data Center
    47914 252nd Street
    Sioux Falls, SD 57198-0001

    Tel: 800-252-4547
    Tel: 605-594-6151
    TDD: 605-594-6933
    Fax: 605-594-6589
    Email: custserv@usgs.gov

The Landsat MSS data sets that are part of the NALC triplicate product are not restricted in their use or distribution.


To obtain INEGI's Mexican DEM data for use in a commercial project, please contact INEGI at the following address:

    Servicio a Usarios,
    INEGI, Direccion de Integracion y Analisis
    Subdireccion de Comercializacion
    Heroe de Nacozari 2301 Puerta 11
    Col. del Parque C.P. 20290
    Aguascalientes, AGS
    Mexico
    Phone: 52-49-181948
    Fax: 52-49-180739


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Last Update: Monday, December 08, 2003
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