Wahweap Formation
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5113-4510-9
High Quality Content by WIKIPEDIA articles! The Wahweap Formation of the Grand Staircase-Escelante National Monument is a geological formation in southern Utah and northern Arizona, around the Lake Powell region, whose strata date back to the Late Cretaceo