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1:250,000 Alaska quadrangle
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Chemical analysis of archived stream-sediment samples, Alaska

Geochemical data for more than 1,500 archived stream-sediment samples and accompanying quality control samples.

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Data from the chemical analysis of archived stream-sediment samples, Alaska

Elemental concentration data for more than 1700 archived stream-sediment samples collected in Alaska.

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Geologic map of central (interior) Alaska

Geologic map and associated digital databases of central Alaska. Compilation and reinterpretation of previously published and unpublished mapping at 1:250,000 scale, with limited 1:125,000 and 1:63,360 scale mapping.

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Preliminary integrated geologic map databases for the United States: Digital data for the reconnaissance geologic map of the Yukon-Koyukuk Basin, Alaska

Reconnaissance geologic map of the Yukon-Koyukuk basin, Alaska, which is a region characterized by isolated hilly areas and low mountain ranges, separated by broad alluviated interior and coastal lowlands.

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