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J Harlen Bretz

j harlen bretz

Lived 1882 – 1981.

For decades, J Harlen Bretz’s claims that immense, cataclysmic floods had created unusual landscapes in America’s Pacific Northwest were dismissed by other geologists.

His opponents disliked the idea of sudden, dramatic mega-floods, preferring to interpret everything they saw within a context of gradualism. Incorrectly, they only accepted geology that involved slow, gradual changes rather than catastrophes. Bretz was seen as a heretic. Decades would pass before his opponents finally accepted Bretz was right all along.

In 1980, Bretz was 98 years old. He lived long enough to see another great catastrophism controversy erupt. This time, paleontologists refused to accept Luis Alvarez’s evidence that a catastrophic meteorite impact wiped out the dinosaurs.

Studying the role of catastrophic events in our planet’s history is now mainstream science. This is only the case because scientists such as Bretz and Alvarez continued to argue their cases in the face of ridicule and hostility from some of their fellow scientists.

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Achievements and Key Points

J Harlen Bretz:
  • Published a series of papers beginning in 1923 providing powerful evidence from field work that the unusual landscape of eastern Washington was formed in cataclysmic floods.
  • Used the term “Channeled Scablands” to describe unusually featured land on the 12,750 square mile Columbia Plateau he said had suffered catastrophic flooding in the past.
  • Described scablands as land where the underlying rock was exposed because the soil was removed by natural processes, such as flooding.
  • Observed huge, deeply gouged channels running through the scablands.
“This unique combination of topographic features of the Columbia Plateau in Washington has only one interpretation consistent with all the foregoing items. The channeled scablands are the erosive record of large, high-gradient, glacier born streams… The magnitude of the erosive changes wrought by these glacial streams is nothing short of amazing.”

J Harlen Bretz, 1923
 
dry falls, washington state

Dry Falls, Washington, 400 feet (120 m) high, stretching 3.5 miles (5,600 m). These were once the site of the largest waterfalls in the world, dwarfing Niagara Falls. Ten times the water flow of all the world’s rivers today combined crossed these falls when meltwater flowed.

“The Scablands are wounds only partially healed – great wounds in the epidermis of soil with which Nature protects the underlying rock.”

J Harlen Bretz, 1928
 

From Heretic to Hero

  • J Harlen Bretz could not suggest a credible source for the floodwaters, although the evidence he provided of devastating, catastrophic floods was overwhelming.
  • He was fiercely criticized by other geologists for his theory of the Spokane Floods, as he called them, despite the fact these geologists did not actually visit the area to see the features for themselves.
  • Bretz’s powerful critics took the standard, gradualist view.
  • Bretz’s critics were uncomfortable with the idea of a catastrophic flood, fearing it might be interpreted in a Biblical context. Bretz himself made no such interpretation.
  • The geologist Joseph Pardee suggested to Bretz in 1925 that the source of the floods could be an ice dam breaking, quickly draining the ancient glacial lake, Lake Missoula.
  • Bretz did not fully embrace Pardee’s suggestion, because he was wrongly concerned Lake Missoula could not have held enough water to form the scablands. In 1940, Pardee went public with his theory about Lake Missoula, stating his belief that the entire lake had drained catastrophically.
  • In 1965, age 82, Bretz received a telegram of surrender from the remaining disbelieving geologists (many others were dead by now). They had finally actually visited the Channeled Scablands to look at the evidence with their own eyes. The telegram said: “We are all now catastrophists.”
  • Speaking of the moment he received the “We are all now catastrophists” message, Bretz said: “…after 30 years and 30 papers in self-defense, and more than 30 people who vigorously denied my theory, it did my heart good like medicine.”
  • In 1979, age 97, Bretz was awarded the Penrose Medal; the Geological Society of America’s highest award.

After belatedly receiving the Penrose Medal, Bretz, age 97, told his son:

“All my enemies are dead, so I have no one to gloat over.”

J Harlen Bretz, 1979
 
Gravel ridges - huge ripple marks

Gravel ridges – huge ripple marks, 30 to 50 feet high, in Montana formed by the sudden draining of Lake Missoula.

The Missoula Floods – Current Thinking

Today’s geologists agree with the final Bretz-Pardee theory that there were a number of mega-floods in the Pacific Northwest between about 18,000 – 14,000 years ago caused by the filling and, when ice dams broke, rapid draining of Lake Missoula.

palouse-river

The Palouse River on the Columbia Plateau looks peaceful today. During one of the ice-age mega-floods, this scene would have been under hundreds of feet of water. Image by William Borg.

Personal and Career Details

Harley Bretz was born on September 2, 1882 in Saranac, Michigan, USA. His parents were farmers: Oliver Joseph Bretz and Rhoda Maria Howlett. His father also ran a furniture store and undertakers business.

Harley was the eldest of their five children. In later life, as a joke, he changed his name to J Harlen Bretz. He enjoyed practical jokes! The J wasn’t an initial. His new first name was actually the letter J. People continued to call him Harley.

Another example of his odd sense of humor was that while working as a professor, he would take students to his home and they would find themselves locked in his basement. They would hear him walking away from the basement door laughing. The trapped student would need to find a secret key and secret lock to get out again, which usually took only a few minutes.

Bretz graduated from Albion College, Michigan in 1905, age 22, with a Bachelor’s degree in Biology. Albion College was a Methodist institution – Bretz’s family were rather devoutly religious, but he became increasingly doubtful about religion.

After graduating, Bretz became a biology teacher in Flint. He left after a year for better pay in Seattle, Washington. He began teaching there in 1907, age 25. He was assigned to teach physiography, or physical geography, a field that looks at our planet’s natural features.

Bretz became fascinated by earth science and began spending his weekends in Puget Sound, surveying its geology. In 1910, he wrote a paper entitled Glacial Lakes of Puget Sound describing his research. This was accepted and published by the Journal of Geology.

Bretz realized that geological research work inspired him in a way that teaching could not. He took just two years at the University of Chicago to get a PhD in Geology, graduating in 1913, age 30, summa cum laude (with highest honor).

After a year at the University of Washington, he returned to the University of Chicago in 1914 as Instructor in Geology and spent the rest of his career there, becoming a full professor in 1926. He retired in 1947, age 65.

Family & The End

Bretz met his wife Fanny Chalis at college – she was also studying biology – and they married in 1906. They had two children: Rudolf and Rhoda.

J Harlen Bretz died, age 98, on February 3, 1981, at home in Homewood, Illinois. He was survived by his son and daughter. His wife Fanny died in 1972. Bretz donated his body to science, so there was no interment.

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Further Reading
J. Harlen Bretz
Glacial Lakes of Puget Sound: Preliminary Paper
The Journal of Geology, Vol. 18, No. 5 (Jul. – Aug., 1910), pp. 448-458

J. Harlen Bretz
The Channeled Scablands of the Columbia Plateau
The Journal of Geology, Vol. 31, No. 8 (Nov. – Dec., 1923), pp. 617-649

U.S. Department of the Interior/Geologic Survey
The Geologic Story of the Spokane Flood
USGS: INF-72-2 (R-1)

John Soennichsen
Bretz’s Flood: The Remarkable Story of a Rebel Geologist and the World’s Greatest Flood
Sasquatch Books, 1 Jun 2010

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