This section lists the source documents used to derive the dictionary files used in the Name Lookup feature (see Tools -> Place Highway Text: Name Lookup).
AASHTO Control Cities Dictionary
Guide Signs, Part III: List of Control Cities for Use in Guide Signs on Interstate Highways, 2001, by the American Association of State Highway and Transportation Officials, Washington, D.C.
State Dictionaries
Credit: U.S. Geological Survey U.S. Board on Geographic Names
Department of the Interior/USGS
Domestic Names - State and Tropical Gazetteer - https://www.usgs.gov/us-board-on-geographic-names/download-gnis-data
National File last revised on Feb. 5, 2008
The Complete Set of Canadian Geographical Names
Reproduced with the permission of Natural Resources Canada 2008, courtesy of the Canadian Geographical Names Service.
https://geonames.nrcan.gc.ca/search-place-names/search
© Commonwealth of Australia (Geoscience Australia) 2006
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