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Iowa
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National Park Service units in Iowa
4 units, including those that Iowa shares with other states.
See them on the map
.
Effigy Mounds National Monument
National Monument · IA
Herbert Hoover National Historic Site
National Historic Site · IA
Lewis & Clark National Historic Trail
National Historic Trail · IA, ID, IL, IN, KS, KY, MO, MT, ND, NE, OH, OR, PA, SD, WA, WV
Mormon Pioneer National Historic Trail
National Historic Trail · IA, IL, NE, UT, WY