Alaska map quadrangles at 1:250,000 scale

Outlines of 1:250,000 scale map quadrangles in Alaska suitable for use as a geographic reference within Google Earth or other software capable of interpreting KML, with links to additional mineral resource-related geoscientific information produced by the USGS.

View

Show in Google Earth or other KML viewer:

ak250.kml (uncompressed 538 kbytes)

ak250.kmz (compressed 155k bytes)

Show in your GIS using OGC web services:

https://mrdata.usgs.gov/services/ak250 (WMS, version 1.3.0)

Download

Get the entire data set:

ak250.zip (zipped shapefile 172k bytes)

Documentation