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Production - Texas - Map of DistrictsJan 1, 1944
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Production - Texas - Map of Districts
Jan 1, 1944
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Contents
Jan 1, 1934
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Preface (2d911ee8-0318-49fb-aed5-412395a3e3d3)
Jan 1, 1893
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Contents
Jan 1, 1940
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Contents
Jan 1, 1940
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Contents
Jan 1, 1880
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Preface (f311318c-a3a9-4ec0-833b-51a69ab43314)
Jan 1, 1903
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Index
Jan 1, 1929
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Baltimore Paper - Association of Apatite with Beds of Magnetite
By William P. Blake
The frequent association of apatite in layers in the midst of magnetic iron-ore is highly significant of a stratified and organic origin of both minerals. Usually the phosphate of lirne is more abunda
Jan 1, 1893
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Preface (956d8ebb-c470-4445-b7a2-984388a712ad)
Jan 1, 1916
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Preface (ebd06a0f-328f-495b-b179-7319afca2bc4)
Jan 1, 1920
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Index (03a4b78a-3748-403f-adda-0f5b6fef7498)
Jan 1, 1929
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