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The NABS geographic information system (GIS) catalog of natural arches
Arches are grouped by political subdivision, either the country or the US state in which they are located. For each political subdivision a list of the arches is provided along with a map. The lists, which order the arches from west to east, provide links to detailed documentation for each arch. Arch names are included in the list when available for ease of reference. Many arches remain unnamed and are so shown. Each map shows the locations of all the arches currently cataloged in that political subdivision. In some cases the map provided covers multiple subdivisions. The lists and maps have hyperlinks to each other. Thus, it is possible to link to documentation for an arch from the map as well as the list. Furthermore, all the functionality of Google Maps is available, e.g., zoom, pan, and obtaining directions from user specified locations. For some subdivisions downloadable .kml and .gpx files are available. The .kml files can be loaded and combined using Google Earth. The .gpx files can be directly loaded into most modern GPS receivers. Because this catalog is a work in progress, most maps contain arches that are not included in the corresponding list. Obviously also, some US states, and many countries are not yet cataloged at all. However, the intent is for this site to eventually provide a comprehensive GIS catalog of natural arches in the US, with a significant sampling of arches worldwide. Please check back regularly. Also, comments are welcome and should be sent to jwilbur@naturalarches.org.
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