Tonight—Wednesday, Oct. 23, at 5:30 p.m.—the Hailey Public Library will host a free public lecture by Dr. Don J. Easterbrook titled “Idaho Geology: From Pre-Cambrian to Cenozoic.”

Easterbrook is professor emeritus of geology from Western Washington University. His research has made him an expert in the varied and vibrant geological makeup of the western United States.

“We are fortunate to have someone of Dr. Easterbrook’s stature explain Idaho’s complex geological history,” said Kristin Fletcher, the library’s adult program specialist. “It’s an incredible story—vast inland seas, extraordinary uplift of what became the Rocky Mountains, widespread intrusion of molten granite followed by extensive basaltic lava flows.”

Fletcher paints a vivid picture of Idaho’s formation, but Easterbrook will elaborate in tremendous detail backed up by a career of expertise.

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