返回Google圖書搜尋

Environmental Effects of Western Coal Surface Mining

其他書名	The limnology and biota of mine spoils ponds in northwest Colorado
出版	Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1979
URL	http://books.google.com.hk/books?id=hn7rtgAACAAJ&hl=&source=gbs_api

註釋Three ponds formed against highwalls or dams at Edna Mine are compared with a dammed control pond in an adjacent watershed. Physico-chemical conditions, benthos, and zooplankton were investigated.