Indian Fish Trap State Preserve

Indian Fish Weir
Location Address Restricted
Middle Amana, Iowa
Area less than one acre
NRHP Reference # 88001122[1]
Added to NRHP July 21, 1988

Indian Fish Trap State Preserve, also known as the Indian Fish Weir, is a historic site located near the Amana Colonies in rural Iowa County, Iowa. The fish weir is a array of rocks in a V-shaped formation in the Iowa River. It is the only structure of this kind in Iowa.[2] It is not known when the fish weir was built, possibly in either the Late Prehistoric period or Early Historic period.[3] Glacial boulders from a near by bluff were probably used to construct it. Each wing of the dam is about 155 feet (47 m) in length. The fish were thought to be herded toward the vertex of the "V" where they would be easier to net or spear. They were then placed into an adjacent holding pool. Early pioneers discovered the weir, and it was included on a General Land Office map in the 1840s. Archaeologist Charles R. Keyes wrote about the weir in 1925.

It is submerged below the surface in high water, and it is not as high as it once was, but it is visible when the water level is low. The Coralville Reservoir pool partially inundates the preserve, which also affects the visibility of the weir. There are three Indian burial mounds that date from the Early Woodland Period located near by. The fish weir was relocated in 1952, and dedicated as an archaeological state preserve in 1976. It was listed on the National Register of Historic Places in 1988.[1]

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