Geologic map of Alaska

Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska. This information was published by USGS as Scientific Investigations Map 3340.

View

Show in a web browser window:

Show in Google Earth or other KML viewer:

sim3340.kml (This KML representation uses a tiled image service to show the geologic units. )

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/sim3340 (WMS, version 1.3.0)

https://mrdata.usgs.gov/services/wfs/sim3340 (WFS, version 1.1.0)

Download

Get the entire data set:

sim3340_shp.zip (zipped shapefile 651M bytes)

Geospatial data with attributes, not related databases

sim3340_gdb.zip (File geodatabase 367M bytes)

Geospatial data with attributes, incorporating related databases

sim3340_databases.zip (FileMaker, DBF, and comma-delimited text 77M bytes)

Ancillary tables relating the map to the sources from which it was compiled

List of the geologic units

Documentation