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Some data provided by OpenStreetMap. © OpenStreetMap contributors. http://www.openstreetmap.org/copyright

OpenStreetMap Data is made available under the Open Database License. http://opendatacommons.org/licenses/odbl/1.0/

Any rights in individual contents of the database are licensed under the Database Contents License. http://opendatacommons.org/licenses/dbcl/1.0/

Howat, I., A. Negrete, and B. Smith. 2015. MEaSURES Greenland Ice Mapping Project (GIMP) Digital Elevation Model, Version 1. We used the whole dataset. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center.
doi: http://dx.doi.org/10.5067/NV34YUIXLP9W. Downloaded Feb. 23, 2017.

Howat, I., A. Negrete, and B. Smith. 2014. The Greenland Ice Mapping Project (GIMP) land classification and surface elevation data sets, The Cryosphere. 8. 1509-1518. http://dx.doi.org/10.5194/tc-8-1509-2014

The following Statistics Canada data is used under license:
Canadian data adapted from Statistics Canada, FSA Boundary File, 92F0170XCE, 2001 Census.
Canadian data adapted from Statistics Canada, 2005 Road Network File, 92-500-XWE.
Canadian data adapted from Melissa Data's Canadian Postal Data product, based on input from STC data files.
Statistics Canada information is used with the permission of Statistics Canada. Users are forbidden to copy this material and/or redisseminate the data, in an original or modified form, for commercial purposes, without the expressed permission of Statistics Canada. Information on the availability of the wide range of data from Statistics Canada can be obtained from Statistics Canada's Regional Offices, its website at http://www.statcan.gc.ca/eng/reference/important-notices and its toll-free access number, 1-800-263-1136.

Contains information licensed under the Open Government License – Canada.

Some listings provided courtesy of the Minnesota Resort & Campground Association. http://mnresortsandcampgrounds.com

Some listings provided by Office of Geographic and Environmental Information (MassGIS), Commonwealth of Massachusetts Executive Office of Environmental Affairs.

Open data by National Land Survey of Finland is licensed under a Creative Commons Attribution 4.0 International License. Contains data from the National Land Survey of Finland Topographic Database, downloaded 2016.

Norwegian Mapping Authority Map Administration free products licensed by Creative Commons Attribution 4.0 International (CC BY 4.0).

Lantmäteriet Swedish Land Survey products licensed by Creative Commons Attribution 4.0 International (CC BY 4.0).

The program includes information that is proprietary to Acxiom Corporation and is protected under U.S. copyright law and international treaty provisions. This information is licensed for your personal or professional use and may not be resold or provided to others. You may not distribute, sell, rent, sublicense, or lease such information in whole or in part to any third party; you will not make such Acxiom information available in whole or in part to any other user in any networked or time-sharing environment, or transfer the information in whole or in part to any computer other than the PC used to access this information.

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Use of the Map Data is subject to certain restrictions and/or requirements imposed by third-party suppliers and/or governmental or regulatory authorities set forth at https://legal.here.com/terms/general-content-supplier/terms-and-notices/.