Survey:

• Surveying Organizations
• State Surveying Pages
• Professional Organizations & Associations
• Professional Publications 
• Land Surveyors Listing
• Surveying Equipment
• Surveying Software
• Remote Sensing
• Reference Books

GPS and GIS:

• GIS Glossary
• Doyle’s GIS
• CORS Data
• GPS Online Positioning Service
• Reference Books

Maps, Mapping Utilities and Source Locations:

• USGS Maps
• Wyoming Spatial Data Clearing House
• National Geographic Map Center
• Library of Congress
• Trails.com

NGS Control:

• NGS Data Sheets
• NGS HARN Data

Other Publications of Interest:

• Geodesy for the Layman
• An Online Tutorial in Geodesy
• Writing Legal Descriptions
• 1973 BLM Manual

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