-
State
Preliminary bedrock geologic map database, northeastern Richardson mining district, Alaska
State of Alaska —
During the 2017 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling of part of... -
Federal
Data release for Geologic Map of the Leadville North 7.5' quadrangle, Eagle and Lake Counties, Colorado
Department of the Interior —
The Leadville North 7.5' quadrangle lies at the northern end of the Upper Arkansas Valley, where the Continental Divide at Tennessee Pass creates a low drainage... -
State
Geology and mineral resources of Iditarod mining district, Iditarod B-4 and eastern B-5 quadrangles, southwestern Alaska
State of Alaska —
Geology and mineral resources of Iditarod mining district, Iditarod B-4 and eastern B-5 quadrangles, southwestern Alaska, Professional Report 97, provides...