Tags give the ability to mark specific points in history as being important
Because of the federal government shutdown, code.usgs.gov is not being updated and the agency will not be able to respond to inquiries until appropriations are enacted. For more information please visit: https://www.doi.gov/shutdown
Official software release documented in Applied Geochemistry journal article (Cravotta, 2020) with executable files available for download by public. References to published article updated.