Tierra Insights
Field notes from underground.
Clear explainers for the teams who plan, design, build, operate and manage underground infrastructure.
Field Evidence · GIS · Asset Decisions
No filler. Every article answers a real project or operations question.
Latest Articles
Start with the fundamentals
How evidence changes across utility engineering, geospatial records and asset planning.
July 23, 2026
What SUE quality levels actually tell a designer
How records, surface evidence, geophysics and targeted verification change the certainty behind a utility position.
Subsurface utility engineering
July 23, 2026
From locate marks to a maintainable utility record
What happens between field capture, quality review, geodatabase structure and a Web-GIS that operations can use.
Mapping and GIS
July 23, 2026
Before the asset plan, fix the evidence chain
Why inventory, condition, location and maintenance history need a shared structure before priorities can be defended.
Asset management
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