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nhd.usgs.gov

Bulk delivery is available for US Topo maps (produced 2009-present) and the Historical Topographic Map Collection (produced 1884-2006). Only current US Topo maps (not superseded maps) are available for bulk distribution (use topoView to download individual superseded maps). Bulk delivery options are currently only available for maps in GeoPDF file format. Options for bulk delivery: 1. Batch download: We recommend this option for state-size areas, which is roughly 1,500 maps or fewer. Use The National Map Downloader to select maps over any rectangular area or for predefined areas such as counties or states. The resulting product list can be saved to a CSV file, and this file used as input to the uGet download manager application to retrieve all the maps. 2. CSV database dump: Advanced users can download a CSV ...