William W. Shilts | Shilts Geologic Image Gallery Search | Contact Me

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Esker ridge superimposed on a drumlin 0052 - Esker ridge superimposed on a drumlin

Massive mud extrusion from numerous mudboils 0095 - Massive mud extrusion from numerous mudboils



Updated 09/01/2009 AW

PRAIRIE RESEARCH INSTITUTE
William W. Shilts, Executive Director
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