Title: Coking plant report no. 1, sections A, B, C, & D
Subjects: Aerial operations, American, American Aerial operations, Coal trade, Friedrich Thyssen Coking Plant, Hansa Coking Plant, Hoerde Coking Plant, Military aspects, Military aspects of Coal trade, Nordstern Coking Plant, World War, 1939-1945, Coking industry
Places: Dortmund (Germany), Gelsenkirchen (Germany), Germany, Germany) Hamborn (Duisburg, Hamborn (Duisburg, Germany)