Search for: Title Author Subject Series Call number that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Open-file report (Geological Survey (U.S.)) 42 SEE ALSO later heading: U.S. Geological Survey open-file report 73 Open-file report (Geological Survey (U.S.)) ; 76-153. 1 Open-file report (Geological Survey (U.S.)) ; 78-664. 1 Open-file report (Geological Survey (U.S.)) ; 80-775. 1 Open-file report (Geological Survey (U.S.)) ; 81-403. 1 Open-file report (Geological Survey (U.S.)) ; 81-636. 1 Open-file report (Geological Survey (U.S.)) ; 82-692. 1 Open-file report (Geological Survey (U.S.)) ; 82-858. 1 Open-file report (Geological Survey (U.S.)) ; 82-1001. 1 Open-file report (Geological Survey (U.S.)) ; 82-1005. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >