Ключевые слова: abstract, ahu, ammonite, artifact, assemblage, balance, beach, build, cairns, ceremonial, circle, closeup, conch, ducks, enclosing, fossil, fossile, fossilization, geology, hard, heaps, lake, lines, macro, markers, marks, memorial, michigan, museum, nautilus, ocean, orange, path, pattern, piles, prehistoric, protect, protection, reef, ritual, rock, rocks, sandstone, science, sea, seashell, sediment, shell, shore, signs, sky, spiral, stacks, statement, stone, strength, symbols, trail, usa, vertical, water, waves,