Figure 1--Exposed aquatic vegetation in channel of the Ipswich River, upstream of Woburn Street, Wilmington, June 17, 1999. |
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U.S. Department of the Interior, U.S. Geological Survey
Maintainer:
Last modified: Wednesday, March 22, 2000
URL: http://ma.water.usgs.gov/ipswich/IF1.htm
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