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Field Data Attribute info:HTtypeHS = based on sality and hydrological dataSAL = based on salinty samplingHYD = based on hydraulic information or dataEL = Enforcement Location Head of Tide for DMR & IF&WHTnotesSWQ = Staute Water Quality (can be arbritrary)RSS Hinckley 1974 = excerpt from Hinckley's 1974 River Sampling Station descriptionsZC = based on USGS zero contour data* note that an individual point may have one or more notes associated with itHTLocation:Completed where there is a noteable physical attribute associated with the point locationMisc Informaiton - Enforcement Location DescriptionsDMR and IFW are in agreement as to the location of head of tide on the Kennebec for enforcement purposes.DMR references head of tide as this:Due to the removal of Edwards dam, the \u201chead of tide\u201d in the Kennebec River is now at the downstream side of the power line located approximately 4,200 feet upstream of the Calumet Bridge at Old Fort Western in Augusta (formerly the Father Curran Bridge) for enforcement purposes.IFW references head of tide as this:From the downstream side of the Lockwood Dam to the downstream side of the power lines located about 4,200 feet above the Calumet Bridge in Augusta (head of tidewater):", "geometryType": "esriGeometryPoint", "sourceSpatialReference": { "wkid": 26919, "latestWkid": 26919, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -5120900, "falseY": -9998100, "xyUnits": 10000, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "Vicki Schmidt, GIS Environmental Specialist II\nMaine Department of Environmental Protection\nBureau of Land & Water Quality\nAugusta ME\n207-485-1482\nvicki.l.schmidt@maine.gov\n\nFMI\n\nhttp://www.maine.gov/dep/water/monitoring/index.html", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "referenceScale": 0.0, "drawingInfo": { "renderer": { "type": "uniqueValue", "field1": "HTTYPE", "uniqueValueInfos": [ { "symbol": { "type": 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