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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Fig. 7 excerpt   Fig. 33 excerpt   Fig. 18 excerpt

List of Figures

  • Figure 1: Electrical Resistance Survey, Block 9

  • Figure 2: Magnetic Gradient Survey, Block 9

  • Figure 3: Excavation Units 1-3, Block 9, Lot 5, overlain on Electrical Resistance Survey

  • Figure 4: Feature 1, Excavation Units 1-3, Block 9, Lot 5

  • Figure 5: Electrical Resistance Survey, Blocks 3 and 8

  • Figure 6: Electrical Resistance Survey, Blocks 3 and 8, with Anomalies Highlighted

  • Figure 7: Magnetic Gradient Survey, Blocks 3, 4, 7 and 8

  • Figure 8: Magnetic Gradient Survey, Block 3, with Anomalies Highlighted

  • Figure 9: Magnetic Gradient Survey, Block 8, with Anomalies Highlighted

  • Figure 9a: Resistivity Survey, Block 8, Lots 1-2, with Anomalies Highlighted

  • Figure 10: Excavation Unit 2, Block 7, Lot 1, overlain on Magnetic Gradient Survey

  • Figure 11: Feature 3, Excavation Unit 2, Block 7, Lot 1

  • Figure 12: Excavation Units 1-3, Block 8, Lot 4, overlain on Magnetic Gradient Survey

  • Figure 13: Feature 4, Excavation Units 1-12, Block 8, Lot 4

  • Figure 14: Map of Excavation Units in Block 3, Lots 4 and 5

  • Figure 15: Features 2, 8, and 10 in Block 3, Lots 4 and 5

  • Figure 16: Electrical Resistance Survey, Block 13, without High Pass Filter

  • Figure 17: Electrical Resistance Survey, Block 13, with High Pass Filter

  • Figure 18: Electrical Resistance Survey, Block 13, with High Pass Filter and Anomalies Highlighted

  • Figure 19: Magnetic Gradient Survey, Block 13, Lots 2-4, with Anomalies Highlighted

  • Figure 20: Electrical Resistance Survey, Block 4, Lots 1-2, 7-8

  • Figure 21: Electrical Resistance Survey, Block 4, Lots 1-2, 7-8, with Anomalies Highlighted

  • Figure 22: Electrical Resistance Survey, Block 4, Lots 1-3, 6-8, with Anomalies Highlighted

  • Figure 22a: Excavation Units 1-8 in Block 4, Lot 1, Overlain on Magnetic Gradient Survey

  • Figure 22b: Features 7 and 13 in Excavation Units 1-8, Block 4, Lot 1

  • Figure 23: Electrical Resistance Survey, Block 3, Lots 1-2

  • Figure 24: Electrical Resistance Survey, Block 3, Lots 1-2, with Anomalies Highlighted

  • Figure 25: Magnetic Gradient Survey, Block 3, Lots 2-7, with Anomalies Highlighted

  • Figure 26: Electrical Resistance Survey, Block 8, Lots 3-6

  • Figure 27: Electrical Resistance Survey, Block 8, Lots 3-6, with Anomalies Highlighted

  • Figure 28: Electrical Resistance Survey, Block 9, Lots 3-4

  • Figure 29: Electrical Resistance Survey, Block 9, Lots 3-4, with Anomalies Highlighted

  • Figure 30: Magnetic Gradient Survey, Block 9, Lots 3-4, with Anomalies Highlighted

  • Figure 31: Magnetic Gradient Survey, Block 13, Lots 2-4, with Anomalies Highlighted

  • Figure 31a: Excavation Units in Block 13, Lots 3-4

  • Figure 31b: Features 9, 11, and 12 in Block 13, Lots 3 and 4

  • Figure 32: Electrical Resistance Surveys, Primary Areas Completed to Date, with Anomalies Highlighted (large file)

  • Figure 33: Magnetic Gradient Surveys, Primary Areas Completed to Date, with Anomalies Highlighted (large file)

Return to 2004-2006 Geophysical Survey Report


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July 12, 2006 revised edition

Return to New Philadelphia page

Maintained by
Christopher Fennell