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Publication Extents

Not all publications have extents, not all extents are completely accurate
Chemical composition of igneous rocks expressed by means of diagrams, with reference to rock classification on a quantitative chemico-mineralogical basis
J. P. Iddings
1903, Professional Paper 18
The value of graphical methods for expressing relative quantities has been well established in all kinds of statistical exposition and discussion. Their use in conveying definite conceptions of relative quantities of chemical and mineral components of rocks is becoming more and more frequent, and the value of the results in...
Contributions to economic geology, 1902
Samuel Franklin Emmons, C. W. Hayes
1903, Bulletin 213
This bulletin has been prepared primarily with a view to securing prompt publication of the economic results of investigations by the United States Geological Survey. It is designed to meet the wants of the busy man, and is so condensed that he will be able to obtain results and conclusions...
The Carboniferous formations and faunas of Colorado
G. H. Girty
1903, Professional Paper 16
In the following pages the geology and paleontology of the Carboniferous rocks of Colorado are discussed from the viewpoint of the stratigraphic paleontologist. This viewpoint is also that of one not personally acquainted with the field in question, except in very small measure. I made or assisted in making a...
The clays of the United States east of the Mississippi River
Henrich Ries
1903, Professional Paper 11
NATURE OF CLAY. The term clay is applied to a natural substance or rock which, whenfinely ground and mixed with water, forms a pasty, moldable mass that preserves its shape when air dried, and when burned changes to a hard, rock-like substance by the coalescence of its particles, through softening under...
Normal and polluted waters in northeastern United States
Marshall O. Leighton
1903, Water Supply Paper 79
In order to properly determine the water resources of a country, and to define the limitations of use which apply to various rivers, it becomes necessary to know the character of the water in' each case. Water is a source of wealth by reason of the uses to which it...