Small MS4 (Municipal Separate Storm Sewer Systems) Area
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下载链接：
https://geodata.vermont.gov/datasets/VTANR::small-ms4-municipal-separate-storm-sewer-systems-area
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资源简介：
The dataset contains the boundaries of the MS4 general permit, which are defined as the intersection of US Census urbanized areas and the watershed boundaries of the stormwater-impaired waters with approved TMDLs.
