| Title: | United States geological survey yearbook fiscal year 1990 |
| Author: | U.S. Geological Survey. |
| Abstract: | The accomplishments of the U.S. Geological Survey for 1990 are described in this report. |
| Description: | 108 pgs. |
| URI: | http://hdl.handle.net/1969.3/22497 |
| Date: | 1990 |
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