Surveys and section corners
Survey records, section corners, and certificates of survey.
NGS survey mark and benchmark map
Map of National Geodetic Survey benchmarks and survey control marks. Zoom to a place, click a mark and open its datasheet with the mark's position, elevation and how to find it on the ground.
3 more options
- BLM General Land Office RecordsSearch original federal land patents and survey plats by name or legal description to find the first private owner of a parcel.
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- NGS Survey Mark DatasheetsFederal survey mark datasheets and control monument records, searchable by county or coordinates.
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- State Plane Coordinate System zonesThe official State Plane Coordinate System from the National Geodetic Survey: which zone covers each state and county, zone definitions and conversion tools.
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Surveys and section corners by state
- Alabama
- Alaska
- American Samoa
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Guam
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Northern Mariana Islands
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Puerto Rico
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- United States Virgin Islands
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
About surveys and section corners
Survey records can include recorded surveys, section corners, monuments, and subdivision plats. Check the county survey, GIS, or recorded-document office for available records and indexes.