USGS Watershed Boundary Dataset HUC12 Units

<p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"><strong>Open the Data Source:</strong> <a target="_blank" href="https://gis.chesapeakebay.net/ags/rest/services/Boundaries/WBD_HUC_12/MapServer/0">https://gis.chesapeakebay.net/ags/rest/services/Boundaries/WBD_HUC_12/MapServer/0</a></p><p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;">This layer of HUC12 units is from the U.S. Geological Survey (USGS) <a style="border:0px solid currentcolor; box-sizing:border-box; color:rgb(0, 97, 155); font-family:inherit; line-height:1.5; text-decoration:none;" target="_blank" href="https://www.usgs.gov/core-science-systems/ngp/national-hydrography/watershed-boundary-dataset">Watershed Boundary Dataset</a> V2, and has been clipped to the Chesapeake Bay watershed. The attributes of HUC4, HUC6, HUC8 and HUC10 units that overlap with the HUC12 units are assigned to each HUC12 unit.</p>