Unidentified photographer, oil industry in Eastern Galicia, Poland, 1923-1929 Album in-4 oblong, composed of 93 silver prints from the period, laminated on cardboard. Many captions in German and dates in white ink on the mounts. Some captions and dates in the negatives (views of the Boryslaw wells, Kropiwnik, Rybnik, Turka, Łebacy) Sizes: from 5.5 to 9 x 14 cm The oil reserves in Boryslaw (present-day Ukraine) and Drohobycz were exploited as early as the 17th century, but it was in the early 20th century that exploitation accelerated. In the 1920s, the site was managed by the French oil company Silva Plana.