Water quality of the Potomac River estuary at Washington, D.C.

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099 9 ‡aG200 Y no.529-A
100 1 ‡aDurum, W. H. ‡q(Walton Henry), ‡d1917-1996
245 1 0 ‡aWater quality of the Potomac River estuary at Washington, D.C. / ‡cby W.H. Durum and W.B. Langbein.
260 ‡aWashington : ‡bU.S. Geological Survey, ‡c1966.
300 ‡a9 p. : ‡bill., map ; ‡c27 cm.
490 0 ‡aGeological Survey circular ; ‡v529-A
538 ‡aMode of access: Internet.
650 0 ‡aWater quality ‡zWashington Metropolitan Area.
651 0 ‡aPotomac River Estuary.
700 1 0 ‡aLangbein, Walter Basil, ‡d1907-
710 2 0 ‡aGeological Survey (U.S.)
CID ‡a101741294
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DAT 1 ‡a20161026090804.0 ‡b2016-11-20T20:06:36Z
DAT 2 ‡a2016-11-20T19:00:02Z
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