Scope and Contents The MSD Pollution Abatement Collection contains seven photographs documenting pollution abatement projects undertaken by the Metropolitan St. Louis Sewer District (MSD) from 1966-1969. Photographs are identified with the project, location, contract number, date, and firm undertaking the work. Photographs show crews at work in various tunnels, as well as above-ground excavating and sheet piling work. Locations include the Locust Street construction shaft, Horseshoe Tunnel at Highway...

Scope and Contents The record book contains office copies of reports, notices, and letters issued by the St. Louis City Engineer from January 4, 1847, to January 27, 1852. It also includes details about the construction of the Biddle Street sewer. The book is disbound, except for the first twelve pages, which have been assigned page numbers i-xii for processing purposes, and all pages are numbered from 1 to 530. The copied items appear in chronological/page number...