Date1916Reference NumberHPWNZ 291DescriptionDevil's Blow Hole. Printed at the bottom of the photograph "Devil's Blow Hole blows every 7 minutes for 3 [minutes]. Feb. 1. 1915. Foreground blew up June 1915. Now 1916 - unapproachable."LevelItemFormatPostcardPhysical DescriptionPostcard mounted to piece of card with typed information at top.