G.L.O. — General Land Office

G.L.O. Survey Field Notes, Digitized & Geo-Located

The same plats and field notes the BLM uses — searchable by township. OCR any field note page, map every survey call on the PLSS grid, export a KML, and detect potentially fraudulent notes based on terrain and elevation.

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How It Works

  1. Upload Field Notes

    Scan a page of handwritten GLO field notes and upload the image.

  2. OCR & Parse

    AI reads the handwriting and extracts survey calls with bearings, distances, and descriptions.

  3. Map & Export

    Survey calls are placed on an interactive map. Export to KML, CSV, or PDF.

Features

  • Cascading Search

    Filter by State, County, Township, and Range with smart dropdowns. Access over 106,000 BLM field note records.

  • Interactive PLSS Map

    Click the map to select townships. BLM PLSS boundaries displayed over aerial imagery with page counts and document links.

  • AI-Powered OCR

    Upload scanned field notes and AI reads the cursive handwriting, extracting survey calls, bearings, and witness trees.

  • Automatic Geo-Location

    Survey calls are placed on an interactive map with satellite, street, and topo base layers.

  • BLM Records Access

    Direct links to original plat images, field note documents, and survey metadata from the BLM official archives.

  • Fraud Detection

    Cross-reference terrain descriptions and elevations against actual ground data to identify potentially fraudulent field notes within a township.

Search the full BLM plat and field note archive, OCR any page, and map every survey call.

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