Year: | 1971 |
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Document Type: | OSWA |
Issuing Agency: | U.S. Govt. Print. Off., |
SUDOC: | I 1.88: 699 |
Series: | Research and development progress report / United States Dept. of the Interior ; |
Report Number: | no. 699 |
Link: | https://hdl.handle.net/2027/mdp.39015078499111 |