File consists of a blueprint drawn by L.J. Mensch, general contractor (Chicago, IL) of the 500,000 gallon reinforced concrete tank to be built on Edward Street (later Duke Street) in Berlin.

File consists of two architectural drawings by civil engineer and contractor L.J. Mensch (Chicago, IL) probably submitted as part of a tender. Drawings are entitled: "500,000 gallon tank in reinforced concrete for Berlin, Ontario, Canada" and "Reinforced concrete reservoir for Berlin, Ontario, Canada".