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Maps

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.

Geologic Maps

Geologic Maps

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Map Releases

Topo Maps

Topo Maps

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Volcanic Maps

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Distribution of copper, lead, zinc, mercury, and arsenic in the surface sediments off the coast of northwestern Alaska Distribution of copper, lead, zinc, mercury, and arsenic in the surface sediments off the coast of northwestern Alaska

Increasing interest in potentially harmful substances utilized and discarded by man has raised question about the normal distribution of chemical elements in the natural environment. This interest prompted a baseline study of a pristine region off the northern coast of Alaska. Information was gathered on currents, water clarity, nutrients, temperature and salinity, zooplakton, benthic
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