Iowa Time Machine ⏰: On October 25, 1949, President Harry S. Truman signed a presidential proclamation to create Effigy Mounds National Monument. At the time, the 1,000-acre monument consisted of today’s South Unit, including the Marching Bear Group, and today’s North Unit, including the Little and Great Bear Groups of mounds. Effigy Mounds National Monument preserves more than 200 prehistoric mounds built by pre-Columbian Mound Builder cultures, mainly in the first millennium CE. Shaped like an

🪙 The 2017 America the Beautiful Quarter for Iowa features the Effigy Mounds National Monument, a sacred site preserving more than 200 prehistoric mounds built by Native Americans, many in the shapes of birds and bears. It's a beautiful reminder of the deep history woven into the landscape of the Hawkeye State. #MrDsCollections #Iowa #StateQuarters #EffigyMounds #USQuarter #CoinCollecting #AmericanHistory #hilightseveryonefollowers2025 | Mr. D's Collections

Questions linger about northeast Iowa's Effigy Mounds National Monument. A Luther College researches shares what he's learned about the mounds using remote sensing technology. Read more: https://www.kcrg.com/2025/11/26/luther-college-professor-studies-ancient-effigy-mounds-reveal-hidden-details/ | KCRG-TV9

Can't wait for the Effigy Mounds National Monument Quarter launch next month? Sculptor-Engraver Renata Gordon takes us behind-the-scenes on her process of sculpting the coin. | United States Mint