Digital compilation and reinterpretation of published and unpublished geologic mapping of Alaska. This information was published by USGS as Scientific Investigations Map 3340.
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)
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
Metadata:
About the database tables and fields
Document (PDF) explaining the tables and fields in the database