Effigy Mounds National Monument Visitor Center
Visitor Information151 Hwy 76
Harpers Ferry, Iowa 52146
Phone: (563) 873-3491
Circa 1949. This site is associated with Francis R. Roberson.
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2600 Virginia Avenue NW, Suite 1100, Washington, DC 20037
P 202.588.6000 T 800.944.6847 F 202.588.6038
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The National Trust for Historic Preservation is a private 501(c)(3) nonprofit organization. The National Trust’s federal tax identification number is 53-0210807.