C960CD00-155D-4519-3E9BE87B67518355

Figure 04

An Analysis of Magnetic Gradiometer Surveys at Fort Clatsop, the Second Season by John W. Weymouth, University of Nebraska, Lincoln, Nebraska, January 23, 1998

An Analysis of Magnetic Gradiometer Surveys at Fort Clatsop, the Second Season by John W. Weymouth, University of Nebraska, Lincoln, Nebraska, January 23, 1998

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