Abstract

 Page 
Accessions to Library from June, 1903, to July, 1904; H. P. Cushing, Librarian 587–596 
Adams, G. I., cited on mergence of Red beds into Permo-Carboniferous rocks 437 
Adamsville coal bed, Synonymy of 206 
Adirondack region, Checkerboard topography in part of, Map showing 500 
Administration, Cost of 526 
Agricola, Mineralogic work of 
—, Views of, Concerning genesis of ores 
Alabama, Pottsville formation in 126–136 
Alexander, West Virginia, Section at 183 
Algonkian rocks, Bighorn mountains 394 
— —, Black Hills region 383 
— —, Hartville uplift 408 
— —, Laramie range 402 
— —, Rocky Mountain Front range 413 
Allegheny plateau in Pennsylvania, Pottsville formation in 50–64 
Alpha coal beds, Synonymy of 205 
Alton coal beds, Occurrence of 56 
— — —, Stratigraphic equivalent of 57 
— — —, Synonymy of 205 
— group, Stratigraphic equivalent of 57 
Amherst island, Ontario, Topography and water depths near 232–233 
Ammonoosuc district, Argillites of 474–476 
– —, Conglomerate in  
 Page 
Accessions to Library from June, 1903, to July, 1904; H. P. Cushing, Librarian 587–596 
Adams, G. I., cited on mergence of Red beds into Permo-Carboniferous rocks 437 
Adamsville coal bed, Synonymy of 206 
Adirondack region, Checkerboard topography in part of, Map showing 500 
Administration, Cost of 526 
Agricola, Mineralogic work of 
—, Views of, Concerning genesis of ores 
Alabama, Pottsville formation in 126–136 
Alexander, West Virginia, Section at 183 
Algonkian rocks, Bighorn mountains 394 
— —, Black Hills region 383 
— —, Hartville uplift 408 
— —, Laramie range 402 
— —, Rocky Mountain Front range 413 
Allegheny plateau in Pennsylvania, Pottsville formation in 50–64 
Alpha coal beds, Synonymy of 205 
Alton coal beds, Occurrence of 56 
— — —, Stratigraphic equivalent of 57 
— — —, Synonymy of 205 
— group, Stratigraphic equivalent of 57 
Amherst island, Ontario, Topography and water depths near 232–233 
Ammonoosuc district, Argillites of 474–476 
– —, Conglomerate in  

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