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Corundum and Its Occurrence and Distribution in the United States: (a Rev. and Enl. Ed. of B...
by Geological Survey (u S )
ISBN: 9781020272851
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Bulletin - United States Geological Survey, Issue 534
by Geological Survey (u S )
ISBN: 9781020279256
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Bulletin - United States Geological Survey, Issue 328
by Geological Survey (u S )
ISBN: 9781020300431
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Bulletin - United States Geological Survey, Issue 613
by Geological Survey (u S )
ISBN: 9781020338380
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Stream Flow Recors for the Water Year 1927/1928; 1927/1928
by Pennsylvania Dept of Forest...
ISBN: 9781014182173
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Stream Flow Recors for the Water Year 1923/1924; 1923/1924
by Pennsylvania Dept of Forest...
ISBN: 9781014794253
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Corundum and Its Occurrence and Distribution in the United States: (a Rev. and Enl. Ed. of B...
by Geological Survey (u S )
ISBN: 9781021633859
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Bulletin - United States Geological Survey, Issue 534
by Geological Survey (u S )
ISBN: 9781021640574
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Bulletin - United States Geological Survey, Issue 328
by Geological Survey (u S )
ISBN: 9781021660282
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Bulletin - United States Geological Survey, Issue 613
by Geological Survey (u S )
ISBN: 9781022466388
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The Structure of the Triassic Formation of the Connecticut Valley
by Morris Davis, Geological Su...
ISBN: 9781022014190
2539.
Bulletin - United States Geological Survey, Issue 405
by Geological Survey (u S )
ISBN: 9781022662414
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U.s. Geological Survey Professional Paper, Issues 72-73
by Geological Survey (u S )
ISBN: 9781022700055
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Bulletin - United States Geological Survey, Issue 620
by Geological Survey (u S )
ISBN: 9781022691940
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The Geologic History of the Moon - U.s. Geological Survey Professional Paper 1348
by U S Department of the Inter...
ISBN: 9781998295159
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Bulletin - United States Geological Survey, Issue 405
by Geological Survey (u S )
ISBN: 9781021075543
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U.s. Geological Survey Professional Paper, Issues 72-73
by Geological Survey (u S )
ISBN: 9781021114433
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Bulletin - United States Geological Survey, Issue 620
by Geological Survey (u S )
ISBN: 9781021105738
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The Topographic and Geologic Atlas of the United States
by Geological Survey (u S )
ISBN: 9781021396969
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Stream Flow Recors for the Water Year 1940/1941; 1940/1941
by Pennsylvania Dept of Forest...
ISBN: 9781013472756
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Stream Flow Recors for the Water Year 1937/1938; 1937/1938
by Pennsylvania Dept of Forest...
ISBN: 9781014512932
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Water-powers of North Carolina (a Supplement to Bulletin No. 8); 20
by Geological Survey (u S ) Di...
ISBN: 9781013402630
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Stream Flow Recors for the Water Year 1925/1926; 1925/1926
by Pennsylvania Dept of Forest...
ISBN: 9781014146519