Usgs Topographic Map Viewer
The national map viewer and download platform.
Usgs topographic map viewer. The open topographic data viewer project is a collaboration between geological survey ireland gsi the department of culture heritage and gaeltacht s national monuments service nms and national parks and wildlife service npws and the discovery programme. The usgs historical topographic map explorer allows users to explore the historical maps save the current view as a web map and download the maps as high resolution georeferenced images in geotiff format for use in web mapping applications and gis. We would like to show you a description here but the site won t allow us. The national mapthe national map.
Simply move the time slider and it will filter and preview the topo maps. Users can access data from all. Ngp s most current topographic base map data and products can be visualized and downloaded using this capability. They were essential for integrating and analyzing place based information and were widely used by receationalists.
The most current map of each area is available from. Topoview highlights one of the usgs s most important and useful products the topographic map. Similar to the tnm viewer add items to your cart that you want to download. As the years passed the usgs produced new map versions of each area.
As part of the historic topographic map collection htmc you can filter usgs historical topographic by time period. Topographic maps are a signature product of the usgs. In 1879 the usgs began to map the nation s topography. Centre for archaeology and innovation ireland within the remit of the heritage council.
After 125 year legacy of topographic mapping 1884 2009 the usgs embarked on an innovative future of integrating historical maps with computer generated maps from a national geographical information system gis database. Topographic change viewer the usgs has developed a national inventory of significant topographic changes based on seamless multi temporal elevation data and land cover data. Learn more about the app in the item description on arcgis online.