Rivers at risk : an activity based study guide for the Colorado River Basin /
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington, D.C.?] :
The Service,
[1993?]
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| Subjects: |
| Item Description: | Shipping list number: 94-0024-P. |
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| Physical Description: | ii, 34 pages, 4 unnumbered pages : illustrations, maps ; 28 cm. |