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Federal Lands in Alaska - Geologic Studies

    Summary

    This project addressed the need for detailed geologic mapping on Federal lands in Alaska, which constitute a large percentage of the onshore portion of the state. From southeastern Alaska to the Aleutians to the Arctic Ocean, these lands occur within a wide variety of land-management units and geologic settings, but the necessary geoscience data applicable to managing these Federal lands is often inadequate. This project worked with Federal land-management agencies to identify areas where USGS expertise could provide data and reports to be used by those agencies in a systematic and interdisciplinary process that integrated both natural and social sciences in land-use planning and decisions.

     

    Accomplishments

     

    Relevance and Impact

    This project directly addressed issues of the highest management and scientific priorities on Federal Lands in Alaska. In Alaska, Federal lands constitute 64% of the onshore portion of the state, and 37% of all Federal lands in the Nation. These lands are administered by various agencies: Bureau of Land Management, National Park Service, U.S. Fish and Wildlife Service, U.S. Forest Service, U.S. Army and U.S. Air Force. The geologic maps available for these lands are reconnaissance in nature and do not provide the type, scale, quality, or quantity of geoscience data needed for effective land-use decisions. The work accomplished on this project provided the required geologic, geophysical, and geochemical data on a finer scale than previous maps for the areas identified by the requesting agency. Such data included specific information that is relevant to issues such as resource development, hazard mitigation, habitat designation, tourism, environmental impacts, etc.

    Project Chief

    Jeanine M. Schmidt (907) 786-7494 jschmidt@usgs.gov

     

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