The Rockhounding Mineral Log is perfect for the mineral hunter. It contains 50 blank sections to record minerals found, locations, dates, photos, longitude and latitude as well has notes for future digging adventures. This rockhounding log is perfect for beginners and experienced mineral hunters alike. It is a companion to Colorado Mineral Collecting 1957-1972 by expert Donley S. Collins, but it set up to be used in any mineral hunting location. This along with Donley's book are a great gift for getting young adventurers interested in the world of mineral hunting.