| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | Oil shale in Estonia - Mining |  |  |  |  |  |
| 3 | Mine | Type | Opened | Closed | Owner(s) | Coordinates |
| 4 | Pavandu | open-pit | 1917 | 1927 | Special commissioner (1917) Internationales Baukonsortium (1918) Riigi Põlevkivitööstus (1918–1927) | - |
| 5 | Vanamõisa | open-pit | 1919 | 1931 | Riigi Põlevkivitööstus (1919–1924) Estonian Oil Development Syndicate Ltd. (1924–1930) Vanamõisa Oilfields Ltd. (1930–1931) | - |
| 6 | Kukruse | open-pit | 1920 | 1920 | Riigi Põlevkivitööstus | - |
| 7 | Küttejõu | open-pit | 1925 | 1946 | Eesti Küttejõud (1925–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1946) | - |
| 8 | Kukruse | underground | 1921 | 1967 | Riigi Põlevkivitööstus (1925–1936) Esimene Eesti Põlevkivitööstus (1936–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1967) | - |
| 9 | Kiviõli | open-pit | 1922 | 1931 | Eesti Kiviõli | - |
| 10 | Ubja | underground | 1924 | 1959 | Port Kunda (1924–1941) Punane Kunda (1941) Port Kunda (1941–1944) Punane Kunda (1944–1957) Eesti Põlevkivi (1957–1959) | - |
| 11 | Käva | underground | 1924 | 1972 | Riigi Põlevkivitööstus (1924–1936) Esimene Eesti Põlevkivitööstus (1936–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1972) | 59°22′50″N 27°16′56″E / 59.38056°N 27.28222°E |
| 12 | Käva | open-pit | 1925 | 1930 | Riigi Põlevkivitööstus | 59°21′43″N 27°14′48″E / 59.36194°N 27.24667°E |
| 13 | Ubja | open-pit | 1926 | 1955 | Port Kunda (1941–1944) Punane Kunda (1944–1955) | - |
| 14 | Pavandu | underground | 1925 | 1927 | Riigi Põlevkivitööstus | - |
| 15 | Kiviõli | underground | 1929 | 1987 | Eesti Kiviõli (1929–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1987) | 59°21′02″N 26°56′23″E / 59.35056°N 26.93972°E |
| 16 | Küttejõu | underground | 1933 | 19511 | Eesti Küttejõud (1933–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1951) | 59°20′19″N 26°59′09″E / 59.33861°N 26.98583°E |
| 17 | Viivikonna | open-pit | 1936 | 20002 | Eestimaa Õlikonsortsium (1936–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–2000) | 59°18′42″N 27°38′10″E / 59.31167°N 27.63611°E |
| 18 | Kohtla | open-pit | 1937 | 1959 | New Consolidated Gold Fields Ltd. (1937–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1959) | - |
| 19 | Viivikonna | underground | 1940 | 1954 | Eestimaa Õlikonsortsium (1940–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1954) | - |
| 20 | Kohtla | underground | 1940 | 1999 | New Consolidated Gold Fields Ltd. (1940–1941) Baltische Öl (1941–1944) Eesti Põlevkivi (1944–1999) | 59°21′03″N 27°10′23″E / 59.35083°N 27.17306°E |
| 21 | Ahtme | underground | 1948 | 2001 | Eesti Põlevkivi | 59°18′37″N 27°28′33″E / 59.31028°N 27.47583°E |
| 22 | Sompa | underground | 1948 | 1999 | Eesti Põlevkivi | 59°20′34″N 27°16′16″E / 59.34278°N 27.27111°E |
| 23 | Sillamäe3 | underground | 1949 | 1952 | Sillamäe Processing Plant | 59°24′21″N 27°43′22″E / 59.40583°N 27.72278°E |
| 24 | Mine No. 2 | underground | 1949 | 1973 | Eesti Põlevkivi | 59°21′31″N 27°23′01″E / 59.35861°N 27.38361°E |
| 25 | Tammiku | underground | 1951 | 1999 | Eesti Põlevkivi | 59°20′18″N 27°23′37″E / 59.33833°N 27.39361°E |
| 26 | Mine No. 4 | underground | 1953 | 1975 | Eesti Põlevkivi | 59°20′27″N 27°16′30″E / 59.34083°N 27.27500°E |
| 27 | Sirgala | open-pit | 1962 | 20002 | Eesti Põlevkivi | 59°16′53″N 27°42′57″E / 59.28139°N 27.71583°E |
| 28 | Viru | underground | 1965 | 2012 | Eesti Põlevkivi (1965–2009) Enefit Kaevandused (2009–2012) | 59°17′46″N 27°21′35″E / 59.29611°N 27.35972°E |
| 29 | Narva | open-pit | 1970 | ...4 | Eesti Põlevkivi (1970–2009) Enefit Kaevandused (2009–...) | 59°14′41″N 27°49′52″E / 59.24472°N 27.83111°E |
| 30 | Estonia | underground | 1972 | ...4 | Eesti Põlevkivi (1972–2009) Enefit Kaevandused (2009–...) | 59°12′16″N 27°23′11″E / 59.20444°N 27.38639°E |
| 31 | Aidu | open-pit | 1974 | 2012 | Eesti Põlevkivi (1974–2009) Enefit Kaevandused (2009–2012) | 59°19′17″N 27°06′04″E / 59.32139°N 27.10111°E |
| 32 | Põhja-Kiviõli | open-pit | 2004 | ...4 | Kiviõli Keemiatööstus | 59°22′41″N 26°50′47″E / 59.37806°N 26.84639°E |
| 33 | Ubja (new mine) | open-pit | 2005 | ...4 | Kunda Nordic Tsement | 59°25′28″N 26°25′42″E / 59.42444°N 26.42833°E |
| 34 | Ojamaa | underground | 2010 | ...4 | Viru Keemia Grupp | 59°17′51″N 27°09′39″E / 59.29750°N 27.16083°E |
| 35 | Notes: 1 Merged into the Kiviõli underground mine 2 Merged into the Narva open-pit 3 Mining of graptolitic argillite 4 Not closed, still operating | Notes: 1 Merged into the Kiviõli underground mine 2 Merged into the Narva open-pit 3 Mining of graptolitic argillite 4 Not closed, still operating | Notes: 1 Merged into the Kiviõli underground mine 2 Merged into the Narva open-pit 3 Mining of graptolitic argillite 4 Not closed, still operating | Notes: 1 Merged into the Kiviõli underground mine 2 Merged into the Narva open-pit 3 Mining of graptolitic argillite 4 Not closed, still operating | Notes: 1 Merged into the Kiviõli underground mine 2 Merged into the Narva open-pit 3 Mining of graptolitic argillite 4 Not closed, still operating | Notes: 1 Merged into the Kiviõli underground mine 2 Merged into the Narva open-pit 3 Mining of graptolitic argillite 4 Not closed, still operating |

Question: Which mines has Oil Shale in Estonia opened in 2005 and in 2010?
Answer: Oil shale in Estonia has opened Ubja open-pit mine in 2005, and the Ojamaa underground mine in 2010.