Provided, however, that around every such vertical ladder, collars or platform shall be built which shall be not more than 20 feet apart and shall be constructed as provided by section 45.35 of this Act.
225 ILCS 710/45.37
In vertical workings not exceeding 100 feet in depth or height, ladders may be fixed vertically; no vertical ladders shall be used with a greater height or depth than 100 feet
Known as the Fluorspar Mines Act
The act spans §§ 225-710-1 to 225-710-9-02 (122 sections).
Laws 1945, p. 1035.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.