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Map Collection and Online Resources: Reference Tools

General

Cartographic Reference Resources
Perry-Castaneda Library
Free Geography Tools: GIS Archive
A review site that looks at free gis tools and apps. Reviews are detailed and include helpful screenshots.
Martindale's Geoscience Center
TargetTN
USGS Library Selected Map Bookmarks
USGS

Coordinate Systems

Distance Calculators

Gazetteers

Geographic Names Information System
USGS
GeoNames Search
National Geospatial-Intelligence Agency
Getty Thesaurus of Geographic Names Online
Getty Research Institute
U.S. Gazetteer Files
U.S. Census Bureau

Map Projections

An Album of Map Projections
U.S. Geological Survey
A Gallery of Map Projections
Map Projections Poster
USGS

Map Scale

Map Scales Fact Sheet
U.S. Geological Survey

Zip Code

Look Up a Zip Code
USPS