Jeffers Petroglyphs site manager, Tom Sanders, describes the beauty and changing flora of the prairie. The Jeffers Petroglyphs historic site is arguably one the most significant historic and cultural sites of its kind in the world. Its continued use over 9,000 years attests to its importance in traditional indigenous culture. The Jeffers Petroglyphs podcasts presents a variety of perspectives personal, archaeological, traditional, biological, and geological -- in the voices of those who know the site well.