Science, Volume 23John Michels (Journalist) American Association for the Advancement of Science, 1894 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 99
... important series to be worked is the great mass of Devonian black and blue shales at Columbus used in the extensive sewer pipe industry . The best clay in quality is found in the sub - Carboniferous Sciotoville clay used for fire brick ...
... important series to be worked is the great mass of Devonian black and blue shales at Columbus used in the extensive sewer pipe industry . The best clay in quality is found in the sub - Carboniferous Sciotoville clay used for fire brick ...
Page 102
... important agent in this vicinity in that work of the circulation of the ingredients of the soil that Darwin showed us is one of the important parts played by earth - worms in the world economy . THE POCKETS . - The anterior part of the ...
... important agent in this vicinity in that work of the circulation of the ingredients of the soil that Darwin showed us is one of the important parts played by earth - worms in the world economy . THE POCKETS . - The anterior part of the ...
Page 137
... important questions of fauna and flora , but also marshals into place the physical features of structure and of inorganic grouping as well as of geo- graphical relations . Not that Dr. Kayser has omitted tables of stratigraphical ...
... important questions of fauna and flora , but also marshals into place the physical features of structure and of inorganic grouping as well as of geo- graphical relations . Not that Dr. Kayser has omitted tables of stratigraphical ...
Contents
Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
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