English: Hummocky cross-stratification. Book Cliffs, Utah. Pencil for scale. Just above the pencil is a curved crack, which is at the base of a 'hummock'.
2009-08-25 18:52 Matt Affolter 2048×1536× (1404493 bytes) {{Information |Description = Hummocky-cross stratification. Book Cliffs, Utah. |Source = I (~~~) created this work entirely by myself. |Date = ~~~~~ |Author = ~~~ |other_versions = }}
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Hummocky cross-stratification. Book Cliffs, Utah. Pencil for sca