PDF Books in Geology
The Romance of Modern Geology
by Edwin Sharpe GrewThe Romance of Modern Geology: Describing in simple but exact language the making of the earth with some account of prehistoric animal life.Everybody who has ever been to the coast of these islands has become aware that changes in the outline of the land are continually taking place. In some parts of the east coast of England, such as that which li..
Industrial Minerals and Metals of Illinois
by J. E. LamarThis booklet briefly and nontechnically discusses the foregoing materials and some of the work the Illinois State Geological Survey does in gathering information about their occurrence, and character and in developing new uses. The mineral resources of Illinois include many rocks and minerals of varied character and uses. From them are made an..
Guide to Rocks and Minerals of Illinois
by AnonymousIllinois has so long been known as the Prairie State that at first glance it seems a most unlikely place in which to collect rock and mineral specimens. But Illinois has a surprising wealth of rock and mineral resources, not only to be collected as interesting specimens but to be put to practical and profitable use.The rich prairies that gave the s..
Inside Illinois - Mineral Resources
by AnonymousAlthough Illinois has been nicknamed the “Prairie State,” many parts of it are hilly and scenic. The idea of large areas of the state being nothing more than broad, flat prairies has come about because the major highways have been built to take advantage of the comparatively low, gently rolling landscape rather than the rougher more scenic areas.Ph..
A Monograph of the Trilobites of North America
by Jacob GreenSome geologists imagine that the order of creation is registered in the rocks which compose the external crust of the earth, and that they can there clearly read a progressive development of organic life; in other words, that a succession of more perfect animals may be traced in ascending from the lower strata to the upper or more recent formations..
Gleanings from the Note-book of a Field Geologist
by Sir Archibald GeikieThe present Volume has been written among the rocks which it seeks to describe, during the intervals of leisure of a field-geologist. Its composition has been carried on by snatches, often short and far apart, some of the descriptions having been jotted down on the spot by streamlet and hill-side, or in the quiet of old quarries; others, again, in ..
The Strange Adventures of a Pebble
by Hallam HawksworthThe purpose of this little book is to present the chief features in the strange story of the pebbles; and so of the larger pebble we call the earth. It is hoped that readers of various ages will be entertained, without suspecting that they are being taught. Several things led the author to believe that such a book might be wanted.(a) The circumstan..
Researches on the Visual Organs of the Trilobites
by Gustaf LindstromIt is well known amongst palæontologists that the hypostoma of the trilobites has been the particular object for research and description by a few authors, as Barrande, Novák and Brögger and some passing notes concerning it are given in the descriptive works of other authors. In the following pages reference is often made to them and I may here giv..