Seeing is believing.
| Corporate Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, DC :
U.S. Environmental Protection Agency, Office of Monitoring Systems and Quality Assurance,
[1982]
|
| Subjects: |
| Item Description: | "July 1982." "EPA-600/4-82-056." |
|---|---|
| Physical Description: | 4 unnumbered pages : color illustrations ; 28 cm. |