The public subsurface.
750,000+ boring logs from public agencies across the US — searchable and ML-enhanced.
Start ExploringBoring logs from 35+ state DOTs, all in one place
ML-predicted soil profiles at any unmapped location
Generate site reports with geology, soils, and nearby borings
Download DIGGS-standard data files instantly
Free API access for research and public agencies
A nonprofit, built for the profession
Public Agencies
It is our mission to provide our profession with historical public geotechnical data.
Public & Private Partnerships
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Contributing sources: 750,000+ boring logs and growing




















































