ScienceJohn Michels (Journalist) 1936 |
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Page 83
... NATURAL GLASSES OF THE INSOLUBLE RESIDUES OF THE PENNSYLVANIAN LIMESTONES OF TEXAS DURING the course of some preliminary investiga- tions of the insoluble residues of certain Pennsylva- nian limestones of central Texas it was found that ...
... NATURAL GLASSES OF THE INSOLUBLE RESIDUES OF THE PENNSYLVANIAN LIMESTONES OF TEXAS DURING the course of some preliminary investiga- tions of the insoluble residues of certain Pennsylva- nian limestones of central Texas it was found that ...
Page 316
... natural realms and their various manifestations and the consideration of the whole earth's surface according to its natural divisions into continents , regions , natural provinces and locali- ties . And this to him constitutes the ...
... natural realms and their various manifestations and the consideration of the whole earth's surface according to its natural divisions into continents , regions , natural provinces and locali- ties . And this to him constitutes the ...
Page 458
... NATURAL SCIENCE MUSEUMS AT DALLAS The Museum News reports that three natural sci- ence institutions , costing more than half a million dol- lars , are being constructed on the grounds of the Texas Centennial Exposition in Dallas , which ...
... NATURAL SCIENCE MUSEUMS AT DALLAS The Museum News reports that three natural sci- ence institutions , costing more than half a million dol- lars , are being constructed on the grounds of the Texas Centennial Exposition in Dallas , which ...
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