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Cover image for Net acid production, acid neutralizing capacity, and associated mineralogical and geochemical characteristics of Animas River watershed igneous rocks near Silverton, Colorado

Net acid production, acid neutralizing capacity, and associated mineralogical and geochemical characteristics of Animas River watershed igneous rocks near Silverton, Colorado

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Cover image for Mineralogy from cores in Prospect Gulch, San Juan County, Colorado

Mineralogy from cores in Prospect Gulch, San Juan County, Colorado

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Cover image for Completion reports, core logs, and hydrogeologic data from wells and piezometers in Prospect Gulch, San Juan County, Colorado

Completion reports, core logs, and hydrogeologic data from wells and piezometers in Prospect Gulch, San Juan County, Colorado

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Cover image for A data viewer for stream-sediment and surface-water chemistry, geology, and geography of the Humboldt River basin, northern Nevada

A data viewer for stream-sediment and surface-water chemistry, geology, and geography of the Humboldt River basin, northern Nevada

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Cover image for Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan County, Colorado

Ferricrete, manganocrete, and bog iron occurrences with selected sedge bogs and active iron bogs and springs in the upper Animas River watershed, San Juan County, Colorado

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Cover image for Map showing scandium concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

Map showing scandium concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

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Cover image for Map showing iron concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

Map showing iron concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

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Cover image for Map showing cobalt concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

Map showing cobalt concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

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Cover image for Map showing antimony concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

Map showing antimony concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

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Cover image for Map showing silver concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

Map showing silver concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada

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