Columnar jointing in sill Location: Devil's Postpile National Monument Year: 1993 Merckslides catalogue number: 06-16645 Comments:

Devil's postpile Location: near Devil's Postpile National Monument Year: 1993 Merckslides catalogue number: 06-16641 Comments: A sill with perfect columnar jointing

Devil's postpile - upper surface showing hexagons and glacial striations Location: near Devil's Postpile National Monument Year: 1993 Merckslides catalogue number: 06-16644 Comments: A sill with perfect columnar jointing

Devil's postpile - detail of upper surface Location: near Devil's Postpile National Monument Year: 1993 Merckslides catalogue number: 06-16646 Comments: A sill with perfect columnar jointing

Dead trees at Minarets Peaks Overlook Location: near Devil's Postpile National Monument Year: 1993 Merckslides catalogue number: 06-16638 Comments:

Return to list