Corner-Plot
Field Guides & Technical Notes
Office workflows, field reference, and deep-dives for licensed land surveyors working with PLSS corners and CP&F records.
Practical field reference
Read guides about CP&F forms, monument research, PLSS geolocation, and GLO field notes.
Latest articles
- How to Read a PLSS Corner Perpetuation & Filing Form
A step-by-step guide to the anatomy of a CP&F form — township, range, section, tie bearings, monument class, and how each field maps to field work.
- Using Google Street View for Pre-Field Monument Research
How to use Street View capture history to check monument condition, detect disturbance, and verify tie objects — before the crew leaves the office.
- PLSS Corner Geolocation: Five Methods Ranked by Reliability
From BLM CadNSDI authoritative points to sketch road offsets — how Corner-Plot resolves a corner's coordinates and what each confidence level means.
- Finding and Reading GLO Field Notes for PLSS Corners
Original General Land Office field notes describe every corner set during the original survey — trees blazed, distances chained, witness corners established. Here is how to find and use them.