Professional Organizations
- National Society of Professional Surveyors (NSPS)
- Professional Land Surveyors of Ohio (PLSO)
- State of Ohio Engineers and Surveyors Board
- Pennsylvania State Registration Board for Professional Engineers, Land Surveyors and Geologists
Map Services
- Bureau of Land Management (BLM) Public Land Survey System
- Federal Emergency Management Agency (FEMA) Flood Map Service Center
- National Geodetic Survey (NGS) Data Explorer
- Ohio Department of Natural Resources (ODNR) Interactive Maps
- Ohio Department of Transportation (ODOT) Maps
- Ohio Geographically Referenced Information Program (OGRIP) Ohio Statewide Imagery Program (OSIP) Data Downloads
- Public Utilities Commission of Ohio (PUCO) Maps
- United State Fish & Wildlife Service National Wetlands Inventory
- United States Geological Survey (USGS) EarthExplorer
- United States Geological Survey (USGS) National Map Viewer
Tools
- Federal Communications Commission (FCC) Antenna Structure Registration Lookup
- National Geodetic Survey (NGS) Online Positioning User Service (OPUS)
- National Geodetic Survey (NGS) State Plane Coordinates Utilities
- National Geodetic Survey (NGS) VERTCON: North American Vertical Datum Conversion
- United States Postal Service (USPS) ZIP Code Lookup
Ohio Research