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 papers consist of documents relating to the planning of Earth Day 1990 St. Louis and a program for the 1996 Earth Day celebration. The papers are divided into two series: Earth Day 1990 St. Louis and Earth Day Community Festival 1996, which consists of one file. The files in the Earth Day 1990 St. Louis series are arranged alphabetically by topic and date from 1988 to 1996. The bulk of the papers date 1990; there...