For those GIS users in search of free data products for the State of Arkansas, we've provided pointers to several data repositories where users have free access to a wealth of popular GIS data sets including: DRGs, DOQs, DEMs, aerial photos, NAIP data, and much more... read on about the Arkansas GeoStor and  The University of Arkansas Spatial Library.

For those in need of free GIS data products for the Sate of Arkansas, look no further than the GeoStore...

GeoStore from the Center for Advanced Spatial Technologies (CAST)  at the University of Arkansas. The name GeoStor refers to a comprehensive, web-based geodata delivery system. Find data, use the map viewer, or download rasters via FTP. For a total score, raster data products are available directly via this FTP server. Users will find access to direct downloads of: 6 inch orthos, historic map composites, NAIP data (2008), stet DOQQs (1 m res. GeoTIFF and Mr SIDs, collared and no-collar DRGs (24k) and much more
See http://www.geostor.arkansas.gov/Portal/ftpaccess.htm

GeoStor provides DOQQs, DRGs and much more in an FTP-able format. You'll find 1990 and 2002 DOQQs in MrSID and TIF formats. There's also Landsat images as well as 1:24k DRGs - See http://www.cast.uark.edu/cast/geostor/raw_DOQ/index.html

The University of Arkansas Spatial Library is a massive (multi-terabyte) Oracle database holding a wide range of geospatial data sets in an OGC-compliant interoperable form. See http://www.cast.uark.edu/UASL/ or jump directly to http://www.cast.uark.edu/UASL/raw_DOQ/index.html
Datasets include DRG, DOQ and landsat imagery - another must-visit and bookmark!

The Natural State Digital Database (NSDD) was developed by the Spatial Analysis Laboratory to serve the GIS user community and the state of Arkansas. Loads of Arkansas data readily available here including ALL the DRGs - 1:24k, 1:100k, and 1:250k collared, collarless, and hillshaded. A nice UI makes it very simple to locate and download the DRGs. DOQQs and 10m DEMs are also available for download - see http://sal.uamont.edu/pages/nsdd/Arkansas_State.htm

Other Links to Data:

US Fish and Wildlife Service FWS - the ususal data products are made available for public consumption here. Users will find refuge boundaries, hatcheries data, wetlands, and other dat products of interest.

Arkansas Wildland-Urban Interface maps, statistics, and GIS data download


Direct links:

• Arkansas DOQs
• DRGs
• DEMs
• NPS GIS Data products
• Need DOQQs? See Also available here, 24k, 100k, 250k DRGs, Landsat Imagery and Orthophotos