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H&S Industrial History Research

Connecting industrial records to help reconstruct work histories

We connect historical records by workplace, time period, job, task and material so readers can follow the original sources.

Primary-source reconstructionUpdated September 26, 2026
Evidence boundary: The network is an evidence-navigation system. It does not infer individual exposure from membership in an industry, occupation, facility or archive.

Industrial evidence streams

How the research connects

The H&S Resource Center scales by reusing evidence relationships rather than duplicating prose. A single NIOSH survey can contribute information about a facility, occupation, task, measurement, time period and source. Those relationships can answer multiple questions while preserving one provenance trail.

How sources are reviewed

Search broadly; publish narrowly. Research may begin with incomplete names, possible connections or unanswered questions. Public records require a source that actually supports the displayed proposition, and the scope of that source stays attached to the claim.

Research data