Watershed management / C.R. Humphrys.
Main Author: | Humphrys, C. R. (Clifford Robertson), 1916- |
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Language: | English |
Published: |
[Lansing, Mich.] :
[C.R. Humphrys],
[1966?]
|
Subjects: | |
Physical Description: | 62 pages : illustrations, maps ; 28 cm |
Format: | Book |