Robert Bob Nicholson was born in Great Falls, Montana, to Fred and Lylas Nicholson of Cascade, Montana, on May 19, 1937. He grew up in Cascade along with his three sisters, Betty, Shirley, and Berna.

After graduating from Cascade High School, he attended Montana School of Mines (working in the mines on weekends) and Montana State University in Bozeman and studied geology. He loved mapping trips in the Bridger Mountains.

He met Mary Hallesy on a blind date, and they married in 1960, beginning a partnership that lasted 65 years. Together, they had three children, Sky, Robb, and Casey.

Bob loved hard work and was devoted to helping with environmental causes. He worked for many years at Lewis Construction, installing guardrails and highway signs throughout the state and in Wyoming. He found

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