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                                                        There are 736 archaeological sites recorded      In addition to the sites previously mentioned,
                                                         in the Byway corridor. This site count          many of the historic components include
                                                         reflects areas that have received a formal      remnants of farmsteads, schoolhouses, refuse
                                                         archaeological survey, mostly locations that    dumps, roads, or trails. Prehistoric sites
                                                         coincide with road or utility improvement       span the continuum of possible occupation
                                                         projects. Only 4.6 percent of the entire Byway   periods, from Paleo-Indian through the Archaic
                                                         corridor has been subjected to archaeological   and Woodland eras to the Late Prehistoric.
                                                         survey, suggesting there may be hundreds, or    There are mounds, villages, chert quarries,
                                                         more likely, thousands of yet-unrecorded sites   lithic workshops, and open habitation sites,
                                                         within the Corridor.                            along with a host of sites whose function is
                                                                                                         not understood. Oehl’s Biface Cache was a
                                                        Many of these archaeological sites are           spectacular find of 30 prehistoric stone tools
                                                         multicomponent, having evidence of              from a single spot—in a garden plot in the
                                                         occupations spanning more than one              village of Amana!
                                                         period. These include 138 sites with historic
                                                         components, 466 with prehistoric components,  Many pioneer-era Byway communities failed
                                                         and nine sites where the forms have not yet     to obtain a railroad connection in the 1860s,
                                                         been submitted to the Iowa Site File.  Several   and quickly faded into Midwestern farm
                                                         sites have been recommended eligible to the     fields. Today, several ghost towns remain;
                                                         National Register of Historic Places, but most   some are completely gone from the visual
                                                         have not been assessed for NRHP-eligibility.    landscape, existing only as archaeological
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