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1. www.usgs.gov › node › 25175Free USGS Topographic Map Quadrangles | U.S. Geological Survey

   www.usgs.gov › node › 25175

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   Download free USGS topographic map quadrangles in georeferenced PDF (GeoPDF) format by clicking on "Map Locator" on the USGS Store Web site. These files were created using high-resolution scans and average 10-17 megabytes in size.

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2. www.arcgis.com › home › itemCalifornia Statewide Index of USGS 24K/7.5-Minute Quad/Topo Maps

   www.arcgis.com › home › item

   This data consists of a data grid for California subsetted from a United States dataset. The grid was generated using ESRI ArcInfo GIS software. It also serves as an index for the new USGS "US Topo" series of maps.

3. www.earthsurvey.us › quadsUSGS Quadrangles (QUADS) - Earth Survey

   www.earthsurvey.us › quads

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   The principal component of QUADS is a Google Earth network link that plots approximate USGS quadrangle boundaries (Fig. 1) and provides direct access to 132,101 geospatial PDF topo maps, including scans of the last historical paper map in all available grid sizes.

4. ngmdb.usgs.gov › topoview › viewerGet Maps - USGS Topoview

   ngmdb.usgs.gov › topoview › viewer

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   Get your topographic maps here! The latest version of topoView includes both current and historical maps and is full of enhancements based on hundreds of your comments and suggestions. Let us know how we can continue to improve access to the USGS topographic map collection. Click the play button below to see some of the new features in action.

5. www.library.ucsb.edu › geospatial › mapsUSGS Topographic Maps of California - UCSB Library

   www.library.ucsb.edu › geospatial › maps

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   All scales and most editions of USGS topographic maps are available online via Topoview (National Geologic Map Database), the USGS Map Locator & Downloader, and the USGS Historical Topographic Map Explorer (in partnership with Esri).

6. data.ca.gov › dataset › cnddb-tracked-elements-by-quad-ds2853CNDDB-tracked Elements by Quad [ds2853] - California Open Data

   data.ca.gov › dataset › cnddb-tracked-elements-by-quad-ds2853

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   This dataset provides basic California Natural Diversity Database (CNDDB) information at the USGS 7.5 minute topographic quad level.

7. www.yellowmaps.com › usgs › state-index-mapsCalifornia Topographic Index Maps - CA State USGS Topo Quads ::...

   www.yellowmaps.com › usgs › state-index-maps

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   Online California topographic index maps that you can use to locate USGS topo quads at 1:250,000, 1:100,000 and 1:24,000 scales.