The Past Navigational Heiau Adze Quarry Erosion and Hardpan Grazing animals ate all the ground cover in the uplands. This led to massive erosion and the creation of a surface commonly known as hardpan. Today the uplands are a dusty, inhospitable place, but archaeological sites tell of a more habitable time. All rights reserved.
All media are for the personal use of students, scholars and the public.
Any commercial use or publication of them is strictly prohibited.