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January 24, 1932 - October 23, 2000

GENE CLIFFORD HENNEN

Celebration of Life...

Do you know that trees talk? Well they do. They talk to each other, and they’ll talk to you, if you will listen… I have learned a lot from trees… sometimes about the weather, sometimes about animals, sometimes about the Great Spirit… As I understand nature’s ruler, He would not restrict the truth to a few favored humans, allowing the others to remain in the eternal darkness. If the great Spirit is prepared to reveal secrets of importance to people, He will give all humans in all lands an equal chance of getting that enlightenment.

                                                               Walking Buffalo Stoney

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Ranger Gene C. Hennen B.S. M.S.
​Wildlife Biology - Forest Entomology

BLACK TAIL SOUTH DAKOTA

Early Years...  

Gene’s story began in the wide-open landscapes of South Dakota, where a deep connection to nature first took root. Growing up surrounded by open skies, prairie winds, and quiet resilience, he developed a lifelong respect for the land and the rhythms of the natural world.

From an early age, Gene showed curiosity, independence, and a steady determination. Whether exploring outdoors or learning through experience, these formative years shaped the values that would guide him throughout his life—hard work, humility, and an enduring sense of purpose.

  • ​Thelma G Burgess
  • ​Gene C. Hennen
  • ​Exploring Curiosities in Black Tail S.D.
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WORKING CAREER

The Great Outdoors 

Gene’s career was not just a profession—it was a calling. As a ranger and wildlife biologist, he spent decades working in forests, mountains, and remote landscapes, protecting and understanding the natural world he loved.

​His work with the United States Forest Service reflected both his expertise and his passion. Whether studying ecosystems, managing wildlife, or living in the field, Gene embraced the challenges and rewards of a life outdoors. He found meaning in quiet places, where observation, patience, and respect for nature guided every decision.

  • ​Gene C. Hennen 1959
  • ​Base Camp High in the San Juan Mountains 
  • ​Building The Colorado Trail 1959

UNIVERSITY YEARS

cOLORADO sTATE UNIVERSITY

At Colorado State University, Gene deepened his commitment to the natural sciences, earning degrees in Wildlife Biology and Forest Entomology. These years marked a time of intellectual growth, discipline, and discovery.

​He approached his studies with the same thoughtful perspective that defined his life—questioning, learning, and seeking practical understanding. The ideas and principles he developed here became the foundation for a lifelong career rooted in science, stewardship, and service.

  • ​Gene had a Great Sense of Humor
  • ​Here are a Few of His Favorite Memes...
  • ​He Also Enjoyed His Fraternity Life ΔΠ
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FAMILY LIFE

THE COLORADO MOUNTAINS

Gene built both his career and his home in the Colorado mountains, where his love for nature and family came together. After earning his degrees from Colorado State University, he began a 40-year career with the United States Forest Service, focusing on wildlife management and field work.

​In retirement, Gene continued his connection to the natural world through his “Neighborhood Tree Doctor” business in Pueblo, Colorado. More than anything, he valued time spent with people and trees—two constants that defined his life.

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Creede Home 1960

Creede Colorado Home newly constructed Forest Service House located in Creede Colorado. Pamela his first daughter was born during this time.

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Beard for Charity

Gene was very active in the Saguache Kwanis organization and participated in a fundraiser growing a beard while the fundraiser was a success his beard was not.

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Second Born Son

At this time living in Saguache Colorado Forest Service House He welcomed his second Born, a Son Bradley. Saguache was home for the Hennen's until 1973.

MARRIAGE

Thelma G. Burgess

Gene and Thelma’s story began in Fort Collins, Colorado, where their lives came together through shared faith, timing, and perseverance. While Gene was completing his master’s degree and beginning his Forest Service career, their relationship grew despite distance and life’s demands.

​Their marriage was built on commitment, patience, and mutual support. Even during periods of separation (like Gene’s time working in the remote mountains) their connection endured. Together, they created a life centered on family, resilience, and partnership.

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FAMILY LIFE

Children

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Son Bradley

December 2, 1964

Born December 2, 1964. Gene was the first man ever to be allowed in the delivery room at the Monte Vista Hospital. Gene and his wife Thelma educated themselves and had all their children by Natural Childbirth using a Book "Husband Coached Childbirth"

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Daughter Kathy

October 31, 1966

Kathy was born October 31 1966. Gene at the time was responsible for the Kwanis Halloween costume contest and candy Trick or Treat for Saguache Colorado. He transported and sorted the Bags of Candy while Coaching the Birth of his second Daughter.

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Daughter Pamela

October 21, 1961 to May 8, 2021 Obituary

His first Daughter was born in the Del Norte Colorado Hospital while living and working in Creede Colorado. Pamela Spent her years lighting up the lives of her parents with her unique style of always insisting to accomplish everything Herself. 

FAMILY LIFE

a lasting Legacy

Family was at the heart of Gene’s life. As a father, he brought the same steadiness, care, and thoughtfulness that defined his work. He was present, dependable, and deeply invested in the lives of his children.

​Whether in everyday moments or important milestones, Gene showed his love through action—teaching, supporting, and guiding with quiet strength. His legacy lives on through his children, each carrying forward the values he lived by.

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