Virtual Reference Shelf

Maps

• Cartographic Links for Botanists
• Checklist of Online Vegetation and Plant Distribution Maps
• Earth Observatory
• MapQuest
• National Atlas of the United States
• National Geographic Map Machine
• Perry-Castaneda Library Map Collection
• Yahoo Map Locator
• geodata.gov
• Atlas of Canada
• United Nations Cartographic Section

Gazetteers

• Geographic Names Information System (GNIS)
• GEOnet Names Server (GNS)
• U.S. Gazetteer