For hundreds, even thousands of years, human beings have mined for metals and stones, and with the advent of greater technology as well as greater needs, the demands for these resources continue to grow. While these resources benefit our lives in many ways, the effects of mining can be detrimental, ...

Acid mine drainage - causes effects and solutions For hundreds, even thousands of years, human beings have mined for metals and stones, and with the advent of greater technology as well as greater needs, the demands for these resources continue to grow. While these resources benefit our...

DECLINING CLARITY OF A JEWEL - EXPLORING LAKE TAHOE BY LESLIE WATSON ELLINGSON APRIL 20, 2000 TABLE OF CONTENTS Lake Tahoe An Introduction Page 2 Lake Tahoe -- History Page 3 Figure One -- Tahoe Region Map Page 3A Lake Clarity -- Introdution to Causes Page 5 Figure Two -- Se...