Technical Guide to Managing Ground Water Resources
by Steve Glasser, at al.
Publisher: US Forest Service 2007
Number of pages: 295
The effects of many human activities on ground water resources and on the broader environment need to be clearly understood in order to properly manage these systems. Throughout this technical guide, we emphasize that development, disruption, or contamination of ground water resources has consequences for hydrological systems and related environmental systems.
Download or read it online for free here:
by Steven R. Brantley - US. Government Printing Office
The U.S. ranks third, behind Indonesia and Japan, in the number of historically active volcanoes. A few volcanoes have produced some of the largest and most dangerous types of eruptions in this century, while several others have threatened to erupt.
by William Harmon Norton - Ginn & company
The author has ventured to depart from the common usage which subdivides geology into a number of departments, and to treat in immediate connection with each geological process the land forms and the rock structures which it has produced.
by Ernest N. Wolff - University of Alaska, Fairbanks
This book will be of value to the experienced prospector who would like to learn something of geology; the young geologist who needs information on practical prospecting; the novice who needs a comprehensive reference; and the experienced geologist.
by Oliver C. Farrington - A. W. Mumford
Where do they come from? What are they made of? How can they be distinguished? What is their value? The subject as a whole has been treated from the mineralogical standpoint, as this affords the best basis for a thorough knowledge of gems.