Field work this summer was unfortunately short and interrupted by the rain but significant progress was made. This summer's activity centered around a small outcrop of early Oligocene rocks first discovered and briefly worked last summer. Project Number 181.
Sutton, John F.
"Paleontology of the Colter Formation in Jackson Hole, Wyoming,"
Jackson Hole Research Station Annual Report: Vol. 1972
, Article 34.
Available at: https://repository.uwyo.edu/jhrs_reports/vol1972/iss1/34