English: Photograph from the U.S. Department of Interior, Geological Survey. DOI states: "Information presented on this website is considered public information and may be distributed or copied."
2006-03-28 20:13 Willpeavy 298×213× (21240 bytes) Photograph from the U.S. Department of Interior, Geological Survey. DOI states: "Information presented on this website is considered public information and may be distributed or copied." Source: http://pubs.usgs.gov/circ/c1143/html/fig5a.jpg
File history
Click on a date/time to view the file as it appeared at that time.
{{Information |Description={{en|Photograph from the U.S. Department of Interior, Geological Survey. DOI states: "Information presented on this website is considered public information and may be distributed or copied." Source: http://pubs.usgs.gov/circ/c