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Carrizozo Lava Older Than Once Thought
October 1999 by Associated Press
The Valley of Fires lava flow outside Carrizozo is older than previously thought. In geologic terms, the central New Mexico volcanic feature is still a youngster at 5,000 years old. But that's considerably older than the 1,000-year-old tag scientists once placed on it...Picks & Pans: Mining Tungsten Ore—A Case History
![](http://www.icmj.com/userfiles/images/200205/TOC-Tungsten-mine.jpg)
California Wilderness Coalition and The Nature Conservancy Recruit Government Employees to Carry Out Huge Land Grab
US Geological Survey, US Forest Service, Bureau of Land Management, and California State Employees Attend Environmental Extremist Conference.
Drywashing and Detecting for Eluvial Placer Gold Research is the Key to Success—Part II
![](/UserFiles/file/200510/TOC-13-Drywashing.jpg)
Michigan DEQ Gives Tentative OK to Nickel, Copper Mine
Environmentalists were happy when the state adopted rules governing an underground mining method that hadn’t been tried in Michigan. Now they’re angry.
Over the Divide: Nancy Glenn; Sondra (Adelson) Bernzweig
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