Digital Maps and Geospatial Data | Princeton University

This line shapefile represents rivers in Mongolia. The Global Map Mongolia version 2 was developed to update Global Map Mongolia version 1 based on Global Map Specifications version 2.1. The data source for update was the 1:100,000 Boundary data made between 2007 and 2010. Water Course feature was updated using ALOS imagery of Ulaanbaatar area. The population attribute was newly acquired using 1:100,000 paper maps which were used to develop Global Map Mongolia version 1. Railroad Station was newly acquired using 1:500,000 paper maps which were used to develop Global Map Mongolia version 1. Both of Railroad and Road was updated using ALOS imagery in Ulaanbaatar area. Global Map data were developed under the cooperation of National Geospatial Information Authorities (NGIAs) of respective countries and regions. Global Map of Mongolia ©ISCGM/ State Administration of Geodesy and Cartography Mongolia Global Map data of National/Regional version were developed with consistent specifications by NGIAs of respective countries and regions for fundamental geospatial information of their respective coverage by using geospatial information owned by them, and they were provided. The data have been authorized by NGIAs of respective countries and regions. Therefore, the contents of respective data are based on the views of respective data developers. For some countries and regions, there may be parts where data have not been developed. National/Regional version of Global Map data was to be updated in about five-year cycle on the basis of resolutions of an ISCGM meeting. To know about the year data were updated and about data developers, please refer to metadata attached to each data. Depending on the period the data were prepared, they were developed in line with two different specifications, namely, version 1 in VPF and BIL formats, and version 2 in GML and BIL formats. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.