source of oil during the Great War. Sanok County Zarszyn – glycol and methanol storage for natural gas mining Strachocina – underground gas storage, structure of the old mine Sanok – exposition of the 19th-century oil industry related structures in Skansen – Open Air Museum Tyrawa Solna – preserved structure of a mine and pumping jack Wielopole – buildings of the office, boiler – room, waiting room for miners History 1866 – Set up of oil production centres: Witryłów-Hłomcza, Polana, Łodyna-Brzegi, Zagórz, Rajskie, Stara Wieś, Głębokie, Turze Pole, Wielopole, Mokre, Tokarnia, Grabownica. 1928 – Discovery of Strachocina natural gas reservoir. 1924 – 1939 – Galician Petroleum Society "Galicja" drills on area of Jurowce, Strachocina. 1930s – oil and natural gas are produced among others in: Grabownica, Strachocina, Turze Pole, Stara Wies, Humniska, Wańkowa, Ropienka, Polana, Wielopole. September 1939 – "Beskiden Erdöl Gewinnungs – Geselschaft", renamed for "Karpaten Oil" infill drills of reservoirs: Wielopole, Mokre, Grabownica. October 9, 1944 – Creation of the State Petroleum Office, which form letter Nr15 establish "... the highest organising unit of mining district – Sector Sanok ..." 1946 – Beginning of rotary method in drilling. 1953 – Creation of drilling company – Sanok. Old postcards See also Ignacy Łukasiewicz Notes References The Petroleum Trail ( also, and) Królewskie Wolne Miasto Sanok, official website Bobrka, Krosno district, Poland History of the petroleum industry Hiking trails in Poland Tourism in Ukraine