作者: Karr James R. Karr

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2 电子书 Karr James R. Karr

Chu Ellen W Chu & Karr James R. Karr: Restoring Life in Running Waters
Despite nearly three decades of efforts intended to protect the nation’s waters, and some success against certain forms of chemical and organic contamination, many of our nation’s waterways continue …
EPUB
英语
DRM
€44.83
Frissell Chris Frissell & Karr James R. Karr: Entering the Watershed
Entering the Watershed is the product of a two-year project established by the Pacific Rivers Council to develop new federal riverine protection and restoration policy alternatives. It recommends a c …
PDF
英语
DRM
€122.19