File:National Map of Regulated MS4s 2009.png

National_Map_of_Regulated_MS4s_2009.png ‎(719 × 477 pixels, file size: 62 KB, MIME type: image/png)

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:57, 9 December 2017		719 × 477 (62 KB)	Moreau1	== {{int:filedesc}}== {{Information \|Description={{en\|1="National Map of Regulated MS4s", showing the location of Municipal Separate Storm Sewer Systems (MS4) in the United States. The MS4s are regulated by discharge permits under the {{w\|National Poll...

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