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Allen Van Heyl

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Books

The Geology of the Upper Mississippi Valley Zinc-lead District
The Geology of the Upper Mississippi Valley Zinc-lead District
Allen Van Heyl
Aeromagnetic and Tectonic Analysis of the Upper Mississippi Valley Zinc-lead District
Aeromagnetic and Tectonic Analysis of the Upper Mississippi Valley Zinc-lead District
Allen Van Heyl, Elizabeth R. King
Chromite and Other Mineral Deposits in Serpentine Rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware
Chromite and Other Mineral Deposits in Serpentine Rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware
Allen Van Heyl, Nancy C. Pearre
Index of Surface-water Records
Index of Surface-water Records
Horace Maxson Babcock, Frank Newell Visher, Aleksandr Evgenʹevich Fersman, Allen Van Heyl, Geological Survey (U.S.). Water Resources Division. Louisville District, Geological Survey (U.S.). Water Resources Division. Portland District, George Walton Walker, Harold Edgar Thomas, Henry Vorhees Beck, Kenneth Knight Landes, Robert K. McCormack

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