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Archaeological Investigations Within the Proposed U.S. 61 Corridor North of Canton in Lewis and Clark Counties Missouri, Volume X:  Synthesis of Results

The Missouri Department of Transportation (MoDOT) expanded a section of U.S. Route 61 in Clark and Lewis counties as part of a multi-state plan to construct a 560-mile four-lane highway that would connect St. Paul, Minnesota, and St. Louis, Missouri – the Avenue of the Saints (AOS).  The Phase I archaeological survey of the proposed highway corridor identified 101 sites, of which 46 were recommended for Phase II testing.  Of the tested sites, 28 were determined to be eligibility for listing on the National Register of Historic Places (NRHP).  MoDOT was able to avoid 5 of these sites in the final design and removed the adverse effect to 3 other sites by modifying the final design.  MoDOT hired the Cultural Resources Analysts, Inc. to conduct the Phase III archaeological data recovery for the AOS Project.  The data recovery began with geoarchaeologial investigations on approximately 10 miles of the highway corridor in the Mississippi River floodplain, which included 55 site locations. The archaeological data recovery at the 20 NRHP eligible sites began soon after the results of the geoarchaeological investigations had been analyzed.  Archaeologists excavated over a 1000 cultural features and recovered over 60,000 artifacts, and presenting evidence of 10,000 years of human history and environmental change in this portion of the Mississippi River Valley.


This volume summarizes the archaeological data derived as a result of the AOS Project.  The previous nine volumes provided detailed information concerning the sites investigated, background information for the project, and environmental data for northeastern Missouri.  Both near surface (e.g., features at the base of the plow zone) and deeply buried sites were examined during the project.  Time periods represented Early Archaic through Late Woodland and Historic.  Only Paleoindian and Mississippian components were missing from the sites investigated.  Whether this is a result of sampling bias (the AOS corridor was situated along the base of the bluff line) or that the area was not occupied during these times is unknown.  In any case, the excavations at the AOS sites increased the database of information for the Early Archaic through Late Woodland in Northeastern Missouri.

AOS_Havana_rim  AOS_Hardin_Barb

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