Snowmobile trails of North Dakota consist of approximately 2,800 miles of marked and groomed trails.. North Dakota's snowmobile trails are open from December 1st to April 1st of each snowmobile season. To learn more information on these trails...
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The DRASTIC model was developed by the US EPA as a way of quantifying an aquifer’s susceptibility to surface contamination events. In 1997, the NDDoH Environmental Health Section, now the Department of Environmental Quality, applied this system...
North Dakota statewide school district centroid points used for cartographic representation and spatial analysis. These points represent represent the district centroids for the 2020 school year. **Constraints:** Not to be used for navigation,...
North Dakota statewide school district polygons used for cartographic representation and spatial analysis. These polygons represent the district polygons for the 2020 school year. **Constraints:** Not to be used for navigation, for informational...