• Free Geographic Data
• Purchase Geographic Data
• Geographic Data FTP Sites
• Tablet Manufacturers and Drivers
• Geostatistics Software Packages

Free Geographic Data

Golden Software Boundary and Data files: www.goldensoftware.com/boundary.shtml

The Map Place: http://www.mapplace.ca/

Natural Earth Data: http://www.naturalearthdata.com/

National Atlas of the United States: http://www.nationalatlas.gov/atlasftp.html

Boundaries from the U S Census GIS Data Depot: www.census.gov/geo/www/cob/

GIS Data Depot: data.geocomm.com/

USGS Main Page: http://www.usgs.gov

DEMs and DLGs from the USGS:
http://edcwww.cr.usgs.gov/doc/edchome/ndcdb/ndcdb.html

Sol Katz's BLM GIS Utils: ftp://ftp.blm.gov/pub/gis/

Resources for geographers:
http://www.Colorado.EDU/geography/virtdept/resources/data/data.htm
(This site has a bunch of links to data, including DEM's, DLG's, etc.)

Census Home Page: http://www.census.gov

AI-Geostats Links about spatial data analysis: http://www.ai-geostats.org/.

Lat/Long lookup for international cities: http://www.calle.com/world/

Lat/Long lookup for major international cities: http://www.bcca.org/misc/qiblih/latlong.html

Purchase Geographic Data

All Topo Maps (Digital USGS Topographic Maps): http://www.alltopo.com/

ChartTiff (Digital Geographic Data): http://www.charttiff.com

DigitalGlobe (Aerial and Satellite Imagery): http://www.digitalglobe.com

DRG Maps (Digital USGS Topographic Maps): http://www.drgmaps.com/

GlobeXplorer (Aerial and Satellite Imagery): http://www.globexplorer.com/

Land Info (Digital Geographic Data): http://www.landinfo.com/

MapMart (Digital Geographic Data): http://www.mapmart.com/

MidTex Mapping Services Co. (Texas County oil and gas maps and pipeline maps in DXF format): http://www.midtexmapping.com/

MJ Systems (Raster Image Well Logs): http://www.mjlogs.com/

Spatial Cloud (Geospatial Web Services): http://www.spatialcloud.com/

WhiteStar (Digital Geographic Data): http://www.whitestar.com

Petroleum Geographics Corporation (Digital Base Maps, Geographic Data, and Aerial Imagery): http://www.petroleumgeographics.com/

Petroleum Geographics (PLSS Land Survey, Texas Land Survey, Surface Geology, Oil and Gas well info): http://www.petroleumgeographics.com

Geographic Data FTP Sites

Sol Katz's BLM GIS Utils: ftp://ftp.blm.gov/pub/gis/

Tablet Manufacturers and Drivers

ACECAD: Main site ; Driver downloads

GTCO/Calcomp / Summagraphics: Main site ; Driver downloads

WACOM: Main site ; Driver downloads

Numonics: Main site ; Driver downloads

Digitizer Technology: Main site ; Driver downloads
Digitizer Technology offers Windows drivers for a variety of digitizing tablets. These drivers are Wintab compatible.

Geostatistics Software Packages

GeoEAS: http://www.epa.gov/ada/csmos/models/geoeas.html

GeoPack: http://www.epa.gov/esd/databases/geo-pack/access.htm