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User Services

Contact Information for User Assistance

Voice: 605-594-6151 Email: lta@usgs.gov
Toll Free: 800-252-4547 Web: https://lta.cr.usgs.gov
Fax: 605-594-6589  
Business Hours: Monday thru Friday, 8:00 a.m. to 4:00 p.m., Central Time  

Long Term Archive User Services
U.S. Geological Survey (USGS)
Earth Resources Observation and Science (EROS) Center
47914 252nd Street
Sioux Falls, SD 57198-0001