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In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (Light Detection and Ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Gasline,
Geomorphology, All tags...
Healy Quadrangle,
Lidar,
Lidar LAS File Format,
Point Cloud Data,
Proposed Natural Gas Pipeline,
Remote Sensing,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
As part of the Department of Natural Resources (DNR) effort to make final recommendations of federal land parcels to be considered for selection by the State of Alaska according to provisions of the Statehood Act, a decision was made to identify and evaluate potential access corridors. Corridor maps were compiled for a total of 78 quadrangles throughout Alaska. This map suite shows relevant geologic information at a scale of 1:250,000 for 10-mile-wide corridors straddling centerlines for proposed access routes throughout Alaska. The maps are based on geologic data compiled from existing, published mapping. Each compiled corridor geology map was used to derive maps of potential construction materials, data quality,...
Tags: Alaska, State Of,
Ambler River Quadrangle,
Anchorage Quadrangle,
Aufeis,
Avalanche, All tags...
Baird Mountains Quadrangle,
Barrow Quadrangle,
Barter Island Quadrangle,
Beechey Point Quadrangle,
Bendeleben Quadrangle,
Bering Glacier Quadrangle,
Bethel Quadrangle,
Bettles Quadrangle,
Black River Quadrangle,
Bradfield Canal Quadrangle,
Candle Quadrangle,
Chandalar Quadrangle,
Chandler Lake Quadrangle,
Charley River Quadrangle,
Chignik Quadrangle,
Circle Quadrangle,
Cold Bay Quadrangle,
Construction Materials,
Cordova Quadrangle,
De Long Mountains Quadrangle,
Demarcation Point Quadrangle,
Dillingham Quadrangle,
Eagle Quadrangle,
Engineering,
Fairbanks Quadrangle,
Flaxman Island Quadrangle,
Geologic Materials,
Geology,
Glacier Outburst Flood,
Harrison Bay Quadrangle,
Hazards,
Healy Quadrangle,
Holy Cross Quadrangle,
Howard Pass Quadrangle,
Hughes Quadrangle,
Icing,
Iditarod Quadrangle,
Ikpikpuk River Quadrangle,
Iliamna Quadrangle,
Jokulhlaup,
Juneau Quadrangle,
Kantishna River Quadrangle,
Karluk Quadrangle,
Kateel River Quadrangle,
Killik River Quadrangle,
Lake Clark Quadrangle,
Lime Hills Quadrangle,
Livengood Quadrangle,
Lookout Ridge Quadrangle,
McGrath Quadrangle,
Meade River Quadrangle,
Medfra Quadrangle,
Melozitna Quadrangle,
Misheguk Mountain Quadrangle,
Mount Katmai Quadrangle,
Mount McKinley Quadrangle,
Mount Michelson Quadrangle,
Naknek Quadrangle,
Naled,
Noatak Quadrangle,
Norton Bay Quadrangle,
Nulato Quadrangle,
Ophir Quadrangle,
Permafrost,
Petersburg Quadrangle,
Philip Smith Mountains Quadrangle,
Port Moller Quadrangle,
Railroad,
Ruby Quadrangle,
Russian Mission Quadrangle,
Sagavanirktok Quadrangle,
Selawik Quadrangle,
Shungnak Quadrangle,
Sleetmute Quadrangle,
Solomon Quadrangle,
Survey Pass Quadrangle,
Taku River Quadrangle,
Talkeetna Quadrangle,
Tanana Quadrangle,
Taylor Mountains Quadrangle,
Teshekpuk Quadrangle,
Transportation Corridor,
Tyonek Quadrangle,
Ugashik Quadrangle,
Umiat Quadrangle,
Unalakleet Quadrangle,
Utukok River Quadrangle,
Wiseman Quadrangle,
geoscientificInformation, Fewer tags
Mineral-resources geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a helicopter-supported geological and geochemical resource assessment project in the Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles from July 29 through August 16, 2013. The objectives of this assessment were to improve the publicly-available geological, geophysical, and geochemical data in the area of known occurrences in the Mount Hayes Quadrangle, and to extend this coverage and any gained insight westward into the less-explored extension of the Wrangellia terrane. This program of stream-sediment, pan-concentrate, and rock sampling was conducted as part of the State's Strategic Minerals...
Tags: Amphitheater Mountains,
Copper,
Geochemical Data,
Geochemical Surveys,
Geochemistry, All tags...
Gold,
Greenstone,
Gulkana Quadrangle,
Healy Quadrangle,
Mount Hayes Quadrangle,
Nickel,
Pan Concentrates,
Platinum Group Elements,
Rare Earth Elements,
Silver,
Strategic and Critical Minerals Assessment Project,
Stream Sediments,
Talkeetna Mountains,
Talkeetna Mountains Quadrangle,
Trace Elements,
Ultramafic,
geoscientificInformation, Fewer tags
Mineral Resources Section personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a geologic field survey, including mapping and sampling, in the eastern part of the Bonnifield mining district in the Fairbanks A-1 and A-2 and the Healy D-1 and D-2 quadrangles, Alaska, from June 16 through July 18, 2008. The fieldwork provides basic information critical to building an understanding of Alaska's geology and is part of an integrated program of airborne geophysical surveys followed by geologic mapping. Specifically, this work provides geologic context for geophysical surveys conducted in 2006. Interpretation and synthesis of this data has been presented in professional and trade meetings....
Tags: Alaska Range,
Bedrock,
Chute Creek,
Dry Creek,
Dry Creek prospect, All tags...
Fairbanks Quadrangle,
Geologic,
Geology,
Glory Creek,
Glory Creek prospect,
Healy Quadrangle,
Igneous,
Igneous Rocks,
Kansas Creek,
Minerals,
Red Mountain Creek,
Rocks,
Rogers Creek,
STATEMAP Project,
Sedimentary Rocks,
Sheep Creek,
Slide Creek,
Snow Mountain Gulch,
WTF (Western Tundra Flats) prospect,
Wood River,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (Light Detection and Ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Gasline,
Geomorphology, All tags...
Healy Quadrangle,
Highest Hit Digital Surface Model (DSM),
Lidar,
Proposed Natural Gas Pipeline,
Raster Image,
Remote Sensing,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (Light Detection and Ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Bare-earth Digital Elevation Model (DEM),
Gasline, All tags...
Geomorphology,
Healy Quadrangle,
Lidar,
Proposed Natural Gas Pipeline,
Raster Image,
Remote Sensing,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...
Tags: Alaska, State of,
Analyses,
Analyses and Sampling,
Anchorage Quadrangle,
Chemistry, All tags...
Critical Minerals,
Economic Geology,
Economic Study,
Geochemical Data,
Geochemical Surveys,
Geochemistry,
Geology,
Healy Quadrangle,
Mineral Assessment,
Mineral Deposit,
Mineral Development,
Mineral Localities,
Mineral Prospect,
Mineral Resources,
Minerals,
Mount Hayes Quadrangle,
Nabesna Quadrangle,
Non-Metals,
Platinum Group Elements,
Precious Metals,
Rare Earth Elements,
Ree,
Resource Assessment,
Resource Information,
Resources,
Sample Location,
Sediment,
Strategic Minerals,
Strategic and Critical Minerals Assessment Project,
Stream Sediments,
Tanacross Quadrangle,
Trace Elements,
Trace Geochemical,
Trace Metals,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (light detection and ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Gasline,
Geomorphology, All tags...
Healy Quadrangle,
Hillshade Image,
Lidar,
Proposed Natural Gas Pipeline,
Remote Sensing,
Shaded Relief,
Topographic Map,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
This map is the result of field investigations by DGGS in 1997 and 1998. This geologic map and report supersede the previously released Public Data File 99-24B, Preliminary interpretive bedrock geologic map of the Healy A-6 Quadrangle, southcentral Alaska. The current map has been updated to include mapping of areas adjacent to the Healy A-6 Quadrangle, newly interpreted bedrock units based on newly acquired analytical, paleontologic, and Ar40/Ar39 data. Ages for the rock units were modified. Field investigations were part of a two-year mapping program to provide geologic ground truth for airborne geophysical surveys flown by DGGS in the Chulitna region of southcentral Alaska during 1996.
Tags: 40Ar/39Ar,
Alaska, State of,
Ar-Ar,
Bedrock,
Chulitna, All tags...
Geology,
Gold,
Healy Quadrangle,
Major Oxides,
Mining,
Plutons,
STATEMAP Project,
Southcentral Alaska,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (light detection and ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Digital Surface Model (DSM),
Gasline, All tags...
Geomorphology,
Healy Quadrangle,
Lidar,
Proposed Natural Gas Pipeline,
Raster Image,
Remote Sensing,
Trans-Alaska Pipeline,
Vegetation Digital Surface Model (DSM),
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (light detection and ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Gasline,
Geomorphology, All tags...
Healy Quadrangle,
Lidar,
Lidar Intensity Image,
Proposed Natural Gas Pipeline,
Remote Sensing,
Shaded Relief,
Topographic Map,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (Light Detection and Ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Digital Surface Model (DSM),
Gasline, All tags...
Geomorphology,
Healy Quadrangle,
Lidar,
Mean Vegetation Elevation (DSM),
Proposed Natural Gas Pipeline,
Raster Image,
Remote Sensing,
Trans-Alaska Pipeline,
Vegetation Metric,
geoscientificInformation, Fewer tags
40Ar/39Ar data from plutonic, dike, and alteration samples collected during geologic mapping of the eastern part of the Bonnifield mining district geologic map area in parts of Fairbanks A-1 and Fairbanks A-2 and Healy D-1 and Healy D-2 quadrangles yield results indicating the plutons, dikes, and a gold-bearing quartz vein in the Bonnifield Map area range from 85 to 95 m.y.
Tags: 40Ar/39Ar,
Age Dates,
Alaska Range,
Alaska, State of,
Buzby prospect, All tags...
Chute Creek,
Denali Borough,
Dry Creek,
Dry Creek placer mine,
Dry Creek prospect,
Fairbanks Quadrangle,
Forgotten Creek,
Geochronology,
Geology,
Glacier Creek,
Glory Creek,
Glory Creek prospect,
Healy Quadrangle,
Kansas Creek,
Kansas Creek prospect,
LEA Creek prospect,
Newman Creek,
Newman Creek placer mine,
Red Mountain Creek,
Red Mountain Creek prospect,
Rogers Creek,
STATEMAP Project,
Sheep Creek,
Slate Creek,
Slide Creek,
Smog prospect,
Snow Mountain Gulch,
Threemile Creek,
WTF (Western Tundra Flats) prospect,
West Fork Little Delta River,
Wood River,
geoscientificInformation, Fewer tags
The Alaska Volcano Observatory (AVO) uses an informal set of names for about 140 'volcanoes.' Some names refer to large, complex volcanic centers, while others indicate only a specific cone. This publication expands the list of 140 named volcanoes to include all volcanic vents where magma has reached the surface over the past 2.6 million years. This database of all known (published, or unpublished with permission) Quaternary volcanic vents was developed to better describe the nature and character of Quaternary volcanism in Alaska and specifically to aid in the discussion of spatial and temporal patterns of Alaska volcanism. This list is a preliminary starting point, and we hope that it is updated and expanded by...
Tags: Adak Quadrangle,
Alaska Peninsula,
Aleutian Islands,
Amukta Quadrangle,
Atka Quadrangle, All tags...
Baird Inlet Quadrangle,
Bendeleben Quadrangle,
Candle Quadrangle,
Chignik Quadrangle,
Cold Bay Quadrangle,
Cook Inlet,
Craig Quadrangle,
Fairbanks Quadrangle,
False Pass Quadrangle,
Gareloi Island Quadrangle,
Goodnews Bay Quadrangle,
Gulkana Quadrangle,
Hazards,
Healy Quadrangle,
Hooper Bay Quadrangle,
Iliamna Quadrangle,
Karluk Quadrangle,
Kenai Quadrangle,
Ketchikan Quadrangle,
Kiska Quadrangle,
Kotzebue Quadrangle,
Kwiguk Quadrangle,
Lake Clark Quadrangle,
Marshall Quadrangle,
McCarthy Quadrangle,
Mount Katmai Quadrangle,
Nabesna Quadrangle,
Naknek Quadrangle,
Nunivak Island Quadrangle,
Petersburg Quadrangle,
Port Moller Quadrangle,
Pribilof Islands Quadrangle,
Rat Islands Quadrangle,
Saint Lawrence Quadrangle,
Saint Michael Quadrangle,
Samalga Island Quadrangle,
Seguam Quadrangle,
Selawik Quadrangle,
Seward Peninsula,
Sitka Quadrangle,
Southeast Alaska,
Stepovak Bay Quadrangle,
Sutwik Island Quadrangle,
Tanacross Quadrangle,
Tyonek Quadrangle,
Ugashik Quadrangle,
Umnak Quadrangle,
Unalakleet Quadrangle,
Unalaska Quadrangle,
Unimak Quadrangle,
Valdez Quadrangle,
Volcanic Eruption,
Volcanoes,
Volcanology,
Wrangell Mountains,
geoscientificInformation, Fewer tags
Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling in the eastern part of the Bonnifield mining district in the Fairbanks A-1, A-2, Healy D-1 and D-2 quadrangles, Alaska from June 16 to July 18, 2008. The fieldwork provides basic information critical to building an understanding of Alaska geology and is part of an integrated program of airborne geophysical surveys followed by geological mapping. During 2008, 242 rock samples were collected for geochemical trace-element analysis, 106 rock samples were collected for whole rock (major- and minor-oxide and petrogenetically important trace element) analyses, and...
Tags: Alaska Range,
Alaska, State of,
Buzby prospect,
Chute Creek,
Denali Borough, All tags...
Dry Creek,
Dry Creek placer mine,
Dry Creek prospect,
Fairbanks Quadrangle,
Forgotten Creek,
Geochemistry,
Glacier Creek,
Glory Creek,
Glory Creek prospect,
Healy Quadrangle,
Kansas Creek,
Kansas Creek prospect,
LEA Creek prospect,
Major Oxides,
Newman Creek,
Newman Creek placer mine,
Red Mountain Creek,
Red Mountain Creek prospect,
Rogers Creek,
STATEMAP Project,
Sheep Creek,
Slate Creek,
Slide Creek,
Smog prospect,
Snow Mountain Gulch,
Stream Sediments,
Threemile Creek,
Trace Metals,
WTF (Western Tundra Flats) prospect,
West Fork Little Delta River,
Wood River,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired LiDAR (Light Detection and Ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. LiDAR data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Aerial Geology,
Alaska, State of,
Digital Elevation Model,
Digital Surface Model (DSM),
Geologic Hazards, All tags...
Geology,
Geomorphology,
Hazards,
Healy Quadrangle,
LiDAR,
LiDAR LAS File Format,
Point Cloud Data,
Remote Sensing,
Slope Instability,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...
Tags: Analyses,
Anchorage Quadrangle,
Chemistry,
Critical Minerals,
Geochemical Data, All tags...
Geochemical Surveys,
Geochemistry,
Glacial Deposits,
Gulkana Quadrangle,
Healy Quadrangle,
Mineral Assessment,
Mount Hayes Quadrangle,
Nabesna Quadrangle,
Strategic Minerals,
Strategic and Critical Minerals Assessment Project,
Stream Sediments,
Talkeetna Mountains Quadrangle,
Trace Elements,
Trace Metals,
geoscientificInformation, Fewer tags
In advance of design, permitting, and construction of a pipeline to deliver North Slope natural gas to out-of-state customers and Alaska communities, the Division of Geological & Geophysical Surveys (DGGS) has acquired lidar (light detection and ranging) data along proposed pipeline routes, nearby areas of infrastructure, and regions where significant geologic hazards have been identified. Lidar data will serve multiple purposes, but have primarily been collected to (1) evaluate active faulting, slope instability, thaw settlement, erosion, and other engineering constraints along proposed pipeline routes, and (2) provide a base layer for the state-federal GIS database that will be used to evaluate permit applications...
Tags: Alaska Highway Corridor,
Alaska Pipeline,
Alaska, State of,
Gasline,
Geomorphology, All tags...
Healy Quadrangle,
Lidar,
Lidar Lake Polygons,
Proposed Natural Gas Pipeline,
Remote Sensing,
Shaded Relief,
Topographic Map,
Trans-Alaska Pipeline,
geoscientificInformation, Fewer tags
This map is the result of field investigations by DGGS in 1997 and 1998. This geologic map and report supersede the previously released Public Data File 99-24B, Preliminary interpretive bedrock geologic map of the Healy A-6 Quadrangle, southcentral Alaska. The current map has been updated to include mapping of areas adjacent to the Healy A-6 Quadrangle, newly interpreted bedrock units based on newly acquired analytical, paleontologic, and Ar40/Ar39 data. Ages for the rock units were modified. Field investigations were part of a two-year mapping program to provide geologic ground truth for airborne geophysical surveys flown by DGGS in the Chulitna region of southcentral Alaska during 1996.
Tags: 40Ar/39Ar,
Alaska, State of,
Ar-Ar,
Bedrock,
Chulitna, All tags...
Geology,
Gold,
Healy Quadrangle,
Major Oxides,
Mining,
Plutons,
STATEMAP Project,
Southcentral Alaska,
geoscientificInformation, Fewer tags
This map is the result of field investigations by DGGS in 1997 and 1998. This geologic map and report supersede the previously released Public Data File 99-24C, Preliminary surficial-geologic map of the Healy A-6 Quadrangle, southcentral Alaska. The current map has been updated to include mapping of areas adjacent to the Healy A-6 Quadrangle. Field investigations were part of a two-year mapping program to provide geologic ground truth for airborne geophysical surveys flown by DGGS in the Chulitna region of southcentral Alaska during 1996.
Tags: Alaska, State of,
Chulitna,
Geology,
Glacial Deposits,
Healy Quadrangle, All tags...
Mining,
STATEMAP Project,
Southcentral Alaska,
Surficial Geology,
Unconsolidated Deposits,
geoscientificInformation, Fewer tags
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