Start with the location.Understand the records.
Practical guidance for researching Colorado survey corners, interpreting PLSS context, and finding your way to authoritative records.
Colorado land-survey research
01How to Find Colorado Section Corner Records
A practical guide to locating Colorado PLSS section corners, navigating state monument records, and streamlining your land-survey research workflow.
Read the guideHow to Read Township, Range, and Section
Decode the Public Land Survey System. Learn how to read township, range, and section descriptions and visualize them on the Colorado landscape.
Read the guideColorado DORA Monument Records Guide
Understand the anatomy of a Colorado monument record and learn how to use a map-first workflow to bridge the gap between geographic locations and DORA filings.
Read the guideHistoric BLM & GLO Survey Plats in Colorado
Retrace the footsteps of the original surveyors. Learn how to navigate historic federal survey layers and continue to official BLM GLO records.
Read the guideNGS Control Monuments vs. PLSS Corners
Geodetic control and cadastral boundaries serve different purposes. Learn how to distinguish NGS control monuments from PLSS corners and research both on one map.
Read the guideColorado Principal Meridians Explained
Identify the right survey reference before searching. Learn how the Sixth, New Mexico, and Ute Principal Meridians organize Colorado’s PLSS framework.
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