What data formats are used?
Many of the datasets are provided in a compressed (zipped) format. Once uncompressed (unzipped), the dataset may be in one or more of the following file formats:
|XML||eXtensible Markup Language|
|CSV/TXT||Comma-Separated Value Lists / Raw Text files|
|KML/KMZ||Keyhole markup language, suitable for viewing in geobrowsers|
|ESRI Shapefiles||Geodata overlays.|
Other file formats may also be provided over time.