Environmental information systems directory : an inventory of environmental systems.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Environmental Protection Agency, Office of Planning and Management, Office of Administration, Management Information and Data Systems Divison,
1976.
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| Subjects: |
| Item Description: | Cover title. [7 cds] |
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| Physical Description: | vii, 105 pages ; 28 cm. |