Letters between G. E. and B. R. Untermann and many others about the Field House and the Untermanns' role there.

Letters between G. E. and B. R. Untermann; Arthur L. Crawford, chairman of the Utah State Department of Publicity and Industrial Development; and others about the Field House development.

Letters between G. E. Untermann; John E. Doerr, chief naturalist of National Park Service, United States Department of the Interior; J. LeRoy Kay, curator of Department of Vertebrate Paleontology, Carnegie Museum; and others regarding duplicate fossils being transferred from the Carnegie Museum to the Field House and controversy about such a move.

A variety of correspondence about the Field House and paleontology.

Letters between G. E. and B. R. Untermann; Julian D. Sears, United States Geological Survey; Mrs. Dorothy H. Radbruch, U. S. Geological Survey; and Douglas M. Kinney, U. S. Geological Survey, in connection with geological maps and reports.

Letters between G. E. and B. R. Untermann; Aldin O. Hayward; J. D. Sears; F. C. Koziol, director, Utah State Parks and Recreation Commission; and others on a variety of subjects.

Letters between G. E. and B. R. Untermann, F. C. Koziol, and others. Most related to the Untermanns' retirements.

Letters from Charles Kelly on Untermanns' retirements.

Letters between G. E. Douglass (Earl's son), Pearl C. Douglass (Earl's wife), and the Untermanns about recognizing Earl Douglass for his discovery of the dinosaur quarry and about recognizing the value of the quarry. Also a copy of a clipping (G. E. Untermann, "Professor Earl Douglass and the Field House of Natural History," Vernal Express.).

Letters between G. E. Untermann, Arthur G. Nord (assistant regional forester, United States Department of Agriculture), and others about the Field House.