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Radiocarbon ages, age-model code, and other supplemental data for Nelson et a...
This data release contains supplemental data for the following paper: Nelson, A.R., DuRoss, C.B., Mahan, S.A., Gray, H.J., Engelhart, S.E., Witter, R.C., Hawkes, A.D., Horton,... -
Geologic map of the Makushin volcanic field, Unalaska Island, Alaska
Report of Investigation 97-20, Geologic map of the Makushin volcanic field, Unalaska Island, Alaska, covers most of the north end of Unalaska Island, which is the extent of the... -
Tephra occurrence in Alaska: a map-based compilation of stratigraphic tephra ...
The principal hazard associated with future explosive eruptions of Alaska volcanoes is the generation of volcanic ash clouds which are explosively blasted high into the... -
A Guide to the Late Quaternary History of Northern and Western Kenai Peninsul...
Between 27 and 11 kyr ago, during the last major (Naptowne) glaciation, the northwestern and western Kenai Peninsula and the Cook Inlet trough were covered by ice except for... -
Data release for Evidence of humans in North America during the Last Glacial ...
Archaeologists and researchers in allied fields have long sought to understand human colonization of North America. When, how, and from where did people migrate, and what were... -
Tidal Marsh Soil Surveys, Radiocarbon and 137 Cs data
Core names are in the format: SitecodeYear-Core#, i.e. TJE12-01 is Tijuana, 2012, 1st core. cm are the lower depth interval of the cm from which sample was taken, i.e. a sample... -
Surficial geology of the Dalton Highway (Itkillik-Sagavanirktok rivers) area,...
This report provides detailed (1:63,360-scale) surficial-geologic mapping in the Dalton Highway area, from the Sagavanirktok to the Itkillik Rivers, in the west-central Philip... -
Radiocarbon ages, age-model code, and other supplemental data for Nelson et a...
This data release contains supplemental data for the following paper: Nelson, A.R., DuRoss, C.B., Mahan, S.A., Gray, H.J., Engelhart, S.E., Witter, R.C., Hawkes, A.D., Horton,... -
Tidal Marsh Soil Surveys, Radiocarbon and 137 Cs data
Core names are in the format: SitecodeYear-Core#, i.e. TJE12-01 is Tijuana, 2012, 1st core. cm are the lower depth interval of the cm from which sample was taken, i.e. a sample... -
Geologic map of the Big Delta A-4 Quadrangle, Alaska
This map illustrates extents and types of unconsolidated deposits and bedrock in the Big Delta A-4 Quadrangle, Alaska. This map is based on field observations begun by P�w� in... -
Tidal Marsh Soil Surveys, Radiocarbon and 137 Cs data
Core names are in the format: SitecodeYear-Core#, i.e. TJE12-01 is Tijuana, 2012, 1st core. cm are the lower depth interval of the cm from which sample was taken, i.e. a sample... -
Mineralogy, chemistry and isotope composition of silica sinter deposits from ...
Note: No formal accuracy tests were conducted and these data are disseminated to allow discussion related to methods. Sample Analyses: Samples were processed at both the USGS in... -
Data release for Evidence of humans in North America during the Last Glacial ...
Archaeologists and researchers in allied fields have long sought to understand human colonization of North America. When, how, and from where did people migrate, and what were... -
Data release for Evidence of humans in North America during the Last Glacial ...
Archaeologists and researchers in allied fields have long sought to understand human colonization of North America. When, how, and from where did people migrate, and what were... -
Tidal Marsh Soil Surveys, Radiocarbon and 137 Cs data
Core names are in the format: SitecodeYear-Core#, i.e. TJE12-01 is Tijuana, 2012, 1st core. cm are the lower depth interval of the cm from which sample was taken, i.e. a sample...
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