Geophysical Investigations
at the New Philadelphia Site
Pike County, Illinois
2004-2006

Dr. Michael L. Hargrave
U.S Army Engineer Research and Development Center
Construction Engineering Research Laboratory
Champaign, IL 61826-9005


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Figure 22a

Excavation Units 1-8
Block 4, Lot 1
Overlain on Magnetic Gradient Survey


Figure 22

Excavation Units 1, 4, 5, and 7 in Block 4, Lot 1, were placed in an area with a high distribution of surface artifacts and over the area of anomaly A30 in the southeastern corner of Block 4, Lot 1, as shown in the data map above. Those excavation units uncovered Feature 7.

Excavation Units 2, 3, 6, and 8 in Block 4, Lot 1, were also placed in an area with a high distribution of surface artifacts and over the area of anomaly A29 as shown above. Those excavation units uncovered Feature 13.

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