{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "Flow Direction Map for Madison Group, Williston Bay", "description": "

The final potentiometric map by Downey (1986) and used in this project was the result of a detailed analysis also using the previous potentiometric maps contoured for the Madison Group by Miller and Strausz (1980, in Downey, 1986).<\/SPAN><\/SPAN><\/P>

<\/P><\/DIV><\/DIV>", "summary": "Flow Direction Map for Madison Group, Williston Bay", "title": "Madison Flow Direction", "tags": [ "Madison Group", "Williston Basin" ], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": "NaN", "maxScale": "NaN", "spatialReference": "", "accessInformation": "Downey, J. S., 1986, Geohydrology of bedrock aquifers in the northern Great Plains in parts of Montana, North Dakota, South Dakota and Wyoming: U.S. Geological Survey Professional Paper 1402-E, 87 p.\n*\nDowney, J. S., 1984, Geohydrology of the Madison and associated aquifers in parts of Montana, North Dakota, South Dakota and Wyoming: U.S. Geological Survey Professional Paper 1273-G, 47 p.", "licenseInfo": "See access and use constraints information.", "portalUrl": "" }