Top of the South Maps data is available for download in a range of formats used by Esri, AutoCAD and Microstation software. Our data can also be accessed as a live webservice in mapping applications such as GIS, CAD or Google Earth. All data is in terms of New Zealand Transverse Mercator (NZTM) Projection unless using a Web Map Service or KML, in these cases the default is WGS84. After selecting an area of interest and required datasets. Top of the South Maps will extract the data and bundle it into a zip file and prompt you to save it to your local machine. Detailed steps are below. To access our data as a webservice please add the relevant URL to your mapping application. Please note, If you add the URL to your internet browser you will receive an error, these webservices are intended for use in mapping applications only. Some data is scale dependent and you may need to zoom in to view the data. If your mapping application allows you to choose the image encoding format, choose JPEG for Aerial, Street or Topo. PNG for Contour. Click on the generate .kml link below http://www.topofthesouthmaps.co.nz/ArcGIS/rest/services/TopoftheSouthMaps/MapServer/generatekml Select the layers you want to view. We suggest you select individual layers. If you check a group name eg services, you will get ALL the layers under that group, which will take considerable time to process. Source.