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2. Map of glacial limits and possible refugia in the southern Alexander Archipelago, Alaska, during the late Wisconsin glaciation
3. Map showing antimony concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
4. Map showing arsenic concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
5. Map showing cerium concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
6. Map showing cobalt concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
7. Map showing copper concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
8. Map showing geology, oil and gas fields, and geologic provinces of Africa
9. Map showing gold concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
10. Map showing iron concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada
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