What this tracks
This dataset maps the Ogallala Group bedrock geology formations across Nebraska.
Why it matters to you
If you’re drilling a well or planning construction in Nebraska, this data tells you whether your property sits on Ogallala Group bedrock — porous rock that affects groundwater availability. Farmers can check if their land has this geology to understand potential irrigation limitations. Developers can identify areas where bedrock composition might require special foundation engineering.
How to read this data
Form — The geologic formation code (e.g., “To” for Ogallala Formation).
Name — The full formation name (e.g., “Ogallala”).
Try it yourself
Check if your property is on Ogallala Group bedrock by locating your area on the interactive map at the Conservation and Survey Department’s website.