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Ask Dr. Universe: How long can trees live?
November 7, 2016

dr-universe-logoEVERETT, Wash. – As I was hiking through the bristlecone pine forests of the Sierra Nevada recently, I stumbled upon a tree barely six inches tall.

Rock Doc column: Ancient climate clues in tree rings
December 17, 2013

By E. Kirsten Peters, College of Agricultural, Human & Natural Resource Sciences

Peters-e-k-2010-80PULLMAN, Wash. – On a lark when I was a college student I took a class in field biology. It sounded romantic and I was young, so even though it didn’t really make sense for a geology student to take the senior level class in another discipline, I was there bright and early on the first day of the semester.