The AEG 57th Annual Meeting Field Trip to the Grand Canyon Guidebook.
The authors and field trip leaders:
Phil Pearthree (Arizona Geological Survey)
Wayne Ranney (Geologist, Author, and Guide)
Guidebook Edited By: Chase White
Field Trip Sponsored By: Duane Kreuger
Thank you for posting this—an excellent resource on Arizona geology and a reminder of some terrific field trips last year.
Anytime! Glad you liked our field trips.