The Alaska Mining Claims Mapper is a custom view of landrecords data related to mining that is provided by the Alaska Mapper appliion.. Alaska Mapper is a webbased geographic information system (GIS) that allows you to loe Alaska landrecords information by navigating an interactive map of the state. The landrecords data provided by the system comes from the .
Rivers of Gold Placer Mining in Alaska Of all the gold ever mined in the world, approximately 1 to 2% (more than 33 million ounces) has come from Alaska. Seventytwo percent of this Alaskan gold was mined from placer deposits gold accu mulations in sands and gravels mostly deposited by streams and rivers. The Geological Survey (USGS) has worked in Alaska since 1889, .