Useful Websites
Alaska Department of Natural Resources Public Information Center
Use this site to access DNR information on all kinds of maps, plats and other data specific to the State of Alaska.
http://dnr.alaska.gov/commis/pic/maps.htm
USGS Historical Topographic Map Explorer
Use this site to access historical topographic map information anywhere in the United States.
https://livingatlas.arcgis.com/topoexplorer/
USDA Web Soil Survey
Web Soil Survey provides soil data and information produced by the National Cooperative Soil Survey.
http://websoilsurvey.sc.egov.usda.gov/App/HomePage.htm
