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The USGS is a world leader in producing and distributing maps and geospatial data, ranging from local to national and global scales. The Alaska Mapping Initiative supports the procurement of new topographic maps and data for the Alaska Region to levels commonly found in the rest of the contiguous United States.

### Geologic Map of Alaska

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### USGS Science in Alaska

View Projects

### Other Maps of Interest

                        - Landsat 9
                        - Alaska IfSAR data
                        - US Topo maps of Alaska

November 30, 2021

####                 Maps of the Arctic Alaska boundary area as defined by the U.S. Arctic Research and Policy Act—Including geospatial characteristics of select marine and terrestrial features              

November 6, 2020

####                 Bedrock geologic map of the 15' Sleetmute A-2 quadrangle, southwestern Alaska              

Alaska Science Center

June 12, 2020

####                 Selected geologic maps of the Kodiak batholith and other Paleocene intrusive rocks, Kodiak Island, Alaska              

Alaska Science Center, Subduction Zone Science

May 14, 2018

####                 Surficial geologic map of the Dillingham quadrangle, southwestern Alaska              

Energy and Minerals Mission Area, Ecosystems Mission Area, Alaska Science Center

March 3, 2017

####                 Bedrock geologic map of the northern Alaska Peninsula area, southwestern Alaska              

The northern Alaska Peninsula is a region of transition from the classic magmatic arc geology of the Alaska Peninsula to a Proterozoic and early Paleozoic carbonate platform and then to the poorly understood, tectonically complex sedimentary basins of southwestern Alaska. Physiographically, the region ranges from the high glaciated mountains of the Alaska-Aleutian Range to the coastal lowlands of

Ecosystems Mission Area, Energy and Minerals Mission Area, Mineral Resources Program, Alaska Science Center

September 28, 2015

####                 Reconnaissance surficial geologic map of the Taylor Mountains quadrangle, southwestern Alaska              

Groundwater and Streamflow Information Program, Mineral Resources Program, Alaska Science Center

July 29, 2015

####                 Geologic Map of Baranof Island, southeastern Alaska              

Groundwater and Streamflow Information Program, Mineral Resources Program, Alaska Science Center, Subduction Zone Science

January 1, 2015

####                 Geologic map of Alaska              

Energy and Minerals Mission Area, Ecosystems Mission Area, Mineral Resources Program, Alaska Science Center, Earth Mapping Resources Initiative (Earth MRI)

July 24, 2013

####                 Reconnaissance geologic map of the Kuskokwim Bay region, southwest Alaska              

The rocks of the map area range from Proterozoic age metamorphic rocks of the Kanektok metamorphic complex (Kilbuck terrane) to Quaternary age mafic volcanic rocks of Nunivak Island. The map area encompasses much of the type area of the Togiak-Tikchik Complex. The geologic maps used to construct this compilation were, for the most part, reconnaissance studies done in the time period from the 1950s

Ecosystems Mission Area, Mineral Resources Program, Alaska Science Center

June 10, 2013

####                 Reconnaissance geologic map of Kodiak Island and adjacent islands, Alaska              

Ecosystems Mission Area, Mineral Resources Program, Alaska Science Center

November 2, 2012

####                 Geologic map of the Cook Inlet region, Alaska, including parts of the Talkeetna, Talkeetna Mountains, Tyonek, Anchorage, Lake Clark, Kenai, Seward, Iliamna, Seldovia, Mount Katmai, and Afognak 1:250,000-scale quadrangles              

Ecosystems Mission Area, Mineral Resources Program, Alaska Science Center

January 1, 2012

####                 Geology of the Prince William Sound and Kenai Peninsula region, Alaska: Including the Kenai, Seldovia, Blying Sound, Cordova, and Middleton Island 1:250,000-scale quadrangles              

The Prince William Sound and Kenai Peninsula region includes a significant part of one of the world’s largest accretionary complexes and a small part of the classic magmatic arc geology of the Alaska Peninsula. Physiographically, the map area ranges from the high glaciated mountains of the Alaska and Aleutian Ranges and the Chugach Mountains to the coastal lowlands of Cook Inlet and the Copper Riv

Ecosystems Mission Area, Mineral Resources Program, Alaska Science Center

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