Most Recent Additions

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Spanning the Missouri
Martha Bowers

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American Classic
Laurence Lafore

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Bedrock Geologic Map of the Donnellson 7.5' Quadrangle, Lee County, Iowa
Ryan Clark, Stephanie Tassier-Surine, and Phil Kerr

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Surficial Geologic Map of the Donnellson 7.5' Quadrangle, Lee County, Iowa
Stephanie Tassier-Surine, Ryan Clark, and Phil Kerr

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Bedrock Geologic Map of the West Point 7.5' Quadrangle, Lee County, Iowa
Ryan Clark, Stephanie Tassier-Surine, and Phil Kerr

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Surficial Geologic Map of the Van Horne 7.5' Quadrangle, Benton County, Iowa
Phil Kerr, Stephanie Tassier-Surine, and Richard Langel

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Surficial Geologic Map of the Keystone South 7.5' Quadrangle, Benton County, Iowa
Phil Kerr, Stephanie Tassier-Surine, and Richard Langel

*Updated as of 01/27/21.