Three geologists and a plane
By Pacific Coastal and Marine Science Center
1965 (approx.)
![Three men stand in front of a single-engine airplane in an open field.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Parke-Dibblee-wreb0218.jpg?itok=dURQSBZc)
Detailed Description
Three pioneers of USGS geological studies, in 1965, from left to right: Parke D. Snavely, Jr., Robert E. Wallace, and Thomas W. Dibblee, in front of a 1964 Cessna 182G Skylane.