C. Gregory Crampton, University of Utah emeritus professor of history, author and authority on Glen Canyon and the canyon country of the Colorado Plateau, has died at 84.

Dr. Crampton died of cancer at his home in St. George on Tuesday. Funeral plans are pending.Dr. Crampton specialized in western American history and taught at the university from 1945 until his retirement in 1979.

In 1956, Dr. Crampton convinced the National Park Service that a historical study should be conducted along with the planned archaeological survey of Glen Canyon, to be flooded after construction of Glen Canyon Dam and the filling of Lake Powell. He was put in charge.

Employing a combination of field research, documentary investigation, and interviews from 1956 to 1963, Dr. Crampton produced a number of detailed monographs printed by the University of Utah.

It was from this study that Dr. Crampton wrote "Standing Up Country," an overview of canyonlands history in Utah and Arizona, which won the Best Western Non-Fiction Award of the National Cowboy Hall of Fame and Western Heritage Center. He wrote several other books

For two years he was director of the University of Utah's Western History Center and was a founder in 1967 of the Utah Westerners.