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Open-File Reports
http://geology.usgs.gov/open-file/
Agency Department of the Interior. Geological Survey.
Publ. Info. Hundreds of full-text reports; 1990-present (with several reports from 1970-
SuDocs No. I 19.76:
Item I 19.76:
Notes Open-file reports include unpublished manuscript reports, maps, and other material that are made available for public consultation at depositories. They are a nonpermanent form of publication that may be cited in other publications as sources of information.
Biblio. Info. View Peak Record
Subjects EARTH SCIENCES | GEOLOGY | MAPPING |

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