ISAS Field Notes

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  • What we don’t know about Illinois archaeology

    three maps of Illinois archaeological survey density across all townships

    Figure 1. Left: Proportion of area surveyed for each township in Illinois. Center: LISA (Local Indicators of Spatial Autocorrelation) map showing statistically over- and under-surveyed townships. Right: Predicted probability of encountering pre-contact Native American sites (IAPM 2020).