General view of the Horton Multisphere storage tank at the Dow Chemical Company plant located in Freeport, Texas.

General view of the lime kiln used to calcinate limestone in order to produce quicklime (calcium oxide) at the Dow Chemical Company plant located in Freeport, Texas. A supply of oyster shells, commonly used to produce…

General view of the exterior of the Dow Chemical Company's Styrene plant located in Freeport, Texas. An organic compound derived from benzene, styrene is a precursor to polystyrene and was popularized in the 1940's as a…

General view of the exterior of the Dow Chemical Company's Styrene plant located in Freeport, Texas. An organic compound derived from benzene, styrene is a precursor to polystyrene and was popularized in the 1940's as a…

General view of the styrene finishing stills at a Dow Chemical Company plant in Midland, Michigan. An organic compound derived from benzene, styrene is a precursor to polystyrene and was popularized in the 1940's as a…

General view of an unidentified employee climbing stairs at the Dow Chemical Company's Styrene plant located in Freeport, Texas. An organic compound derived from benzene, styrene is a precursor to polystyrene and was…

General view of the exterior of a section of the Dow Chemical Company's Styrene plant located in Freeport, Texas. An organic compound derived from benzene, styrene is a precursor to polystyrene and was popularized in…

General view of the exterior of a section of the Dow Chemical Company's Styrene plant located in Freeport, Texas. An organic compound derived from benzene, styrene is a precursor to polystyrene and was popularized in…

General view of the exterior of a section of the Dow Chemical Company Texas Division plant located in Freeport, Texas. A range of products and processes were researched, developed, and produced at the plant, including…

General view of an unidentified employee at work in the Dow Chemical Company Texas Division plant located in Freeport, Texas. A range of products and processes were researched, developed, and produced at the plant,…

General view of the exterior of a section of the Dow Chemical Company Texas Division plant located in Freeport, Texas. A range of products and processes were researched, developed, and produced at the plant, including…

General view of an unidentified employee examining a bobbin from a drawtwister used for the production of Zefran, an acrylic fiber, at the Dow Chemical Company's Textile Research Laboratory located in Pittsburg,…

General view, taken at night, of the Dow Chemical Company's Xanthate plant located in Pittsburg, California. Xanthate salts are commonly used in the production of cellophane and related polymers, as well as in mining to…

General view of plant pathologists at work in a greenhouse located at the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California. Per notations accompanying the photograph, the pathologists…

General view of an unidentified employee using an apparatus to conduct an analysis at the Dow Chemical Company's Agricultural Research Laboratory facilities in Seal Beach, California. The laboratory was commonly used to…

General view of unidentified employees using a field sprayer to test agricultural chemicals at the Dow Chemical Company's Agricultural Research Laboratory facilities in Seal Beach, California.

General view of assorted stills and towers at the Dow Chemical Company's Western Division Chlorinations Plant. Dow commonly relied on the photochemical chlorination of methane to produce a range of chemical compounds,…

General view of a section of the Dow Chemical Company plant located in Seal Beach, California.

General view of the exterior of the Dow Chemical Company Allyn Point plant located along the Thames River in Ledyard, Connecticut. As visible in the photograph, the plant, which produced Styrofoam, was located in an old…

General view of the exterior of the Dow Chemical Company Allyn Point plant located along the Thames River in Ledyard, Connecticut. As visible in the photograph, the plant, which produced Styrofoam, was located in an old…

General view of employees at work in the molding area of the sand foundry at the Dow Chemical Company plant in Bay City, Michigan. Sand casting (or sand molded casting) is a metal casting process wherein sand is used as…

General view of the exterior of a section of a Dow Chemical Company plant in Ludington, Michigan.

General view of potted plants housed in a greenhouse located at the Dow Chemical Company's Agricultural Research Laboratory in Seal Beach, California. Per notations accompanying the photograph, the photo was taken to…

General view of employees at work in the sand foundry at the Dow Chemical Company plant in Bay City, Michigan. Sand casting (or sand molded casting) is a metal casting process wherein sand is used as the mold material…

General view of the manufacturing of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, saran film was trimmed and wound into so-called inventory rolls, such as those visible in the…