derivative work of the following images: File:David_Johnston_near_crest_of_the_bulge_on_the_north_side_of_Mount_St._Helens,_17_May_1980_(USGS).jpg licensed with...
derivative work of the following images: File:David_Johnston_near_crest_of_the_bulge_on_the_north_side_of_Mount_St._Helens,_17_May_1980_(USGS).jpg licensed with...
applies to jurisdiction: United States of America determination method: work of the federal government of the United States determination method: SHA-1...