Geologic map of Alaska

Online link https://mrdata.usgs.gov/ak/geology/
Description Data derived from the 1980 Geologic Map of Alaska compiled by H.M. Beikman and published by the USGS. The map is a regional summary of geologic formations and units at 1:2,500,000 scale. Does not include faults, volcanoes, or correlation chart.
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ARCE A regional summary showing polygonal geologic units of Alaska, originally published by H.M. Beikman in 1980 http://agdcftp1.wr.usgs.gov/pub/usgs/geology/beikman.e00.gz
Shapefile A regional summary showing polygonal geologic units of Alaska, originally published by H.M. Beikman in 1980 https://mrdata.usgs.gov/ak/geology/akgeology.zip