The document discusses legislation proposed in Alaska, Arizona, and Colorado between 2012-2015 regarding the transfer of federal public lands to state ownership and management. In Alaska, a state advisory group was formed in 2015 to study potential land transfers. Legislation was introduced but not passed in Arizona in 2012 and 2015 seeking to require the federal government to transfer public lands to the state. Similar bills were introduced but failed in Colorado in 2013 and 2015 regarding the transfer of agricultural public lands.