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61
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62
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63
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64
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65by Leighton, Morris M. (Morris Morgan), 1887-1971Subjects: “...Petroleum Illinois....”
Published 1944
Book -
66
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67
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68
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69
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70Published 1953Subjects: “...Petroleum Dictionaries....”
Book -
71
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72
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73
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74Published 1917Subjects: “...Petroleum Geology....”
Journal -
75
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76
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77Published 1981Subjects: “...Petroleum Refining....”
Book -
78
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79
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80