St. Louis Consolidated Coal Co. v. Illinois

Background

The dispute involves the State of Illinois on one side and owners/operators of coal mines on the other. Illinois passed laws (originally 1879, revised 1895 and amended in 1897) requiring state mine inspectors, setting minimum inspection frequency, and charging inspection fees of $6–$10 per visit. The 1897 amendment limited enforcement to mines that employ more than five men at any one time. Mine owners challenged the law’s validity, arguing it violated the Fourteenth Amendment’s protections, and raised that claim in a motion in arrest of judgment.

Reasoning

The central question was whether the state could require and regulate inspections, let inspectors decide how often to inspect and how to classify mines for fee purposes, and exempt very small mines, without violating equal protection or due process. The Court said these measures fall within the State’s power to protect miner safety. It found the exemption for mines with five or fewer workers was a reasonable classification, not arbitrary. The Court also accepted that experienced inspectors can exercise judgment about inspection frequency and mine class because many local and technical factors matter. Practical limits in the law — fixed fee ranges, inspectors’ $1,800 salaries paid from the treasury, reporting rules, and the requirement of at least four inspections yearly — reduced concerns about improper delegation or personal gain.

Real world impact

The ruling leaves Illinois able to enforce regular inspections and collect fees for larger mines while exempting very small operations. Inspectors keep discretion to tailor inspections to local conditions, and mine owners must follow sanitary and reporting rules or face injunctions. The State’s safety regime is upheld for now.