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Outlet Works for Beltzville Dam, Pohopoco Creek, Pennsylvania
Ellis Dale HartC. A. Pugh
其他書名
Prototype Tests : Final Report
出版Waterways Experiment Station, 1975
URLhttp://books.google.com.hk/books?id=rRDgWoSOWjMC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN