Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Two kids roasting marshmallows at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family looking at the Ice Cave in Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family having a picnic at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family having a picnic at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
Family crossing Bear Creek on hiking trail leading to the Ice Cave at Bixby State Preserve near Edgewood in Northeast Iowa

July 11, 2012
See photo in original gallery.