Geologic map of the Harrison 1 degree x 2 degrees quadrangle, Missouri and Arkansas
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Open-File Report↗
Geology topics
Mark A. Middendorf
Publications and source records attributed to Mark A. Middendorf.
Geologic map of the Rolla 1 degree by 2 degrees Quadrangle, Missouri
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IMAP↗
Bedrock geologic map of Springfield 1 degree by 2 degrees quadrangle, Missouri
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Miscellaneous Field Studies Map↗