{
 "culture": "en-US",
 "name": "",
 "guid": "",
 "catalogPath": "",
 "snippet": "Top Seal Thickness for Madison Group, Williston Bay",
 "description": "<DIV STYLE=\"text-align:Left;\"><P STYLE=\"font-size:16ptmargin:7 0 7 0;\"><SPAN><SPAN>The Big Snowy Group and the Charles are the top seal for the Madison Group. The top-seal map (Peterson, 1981, in Downey, 1986) shows maximum thickness for the Big Snowy Group of about 1,000 ft.<\/SPAN><\/SPAN><\/P><DIV><P><SPAN /><\/P><\/DIV><\/DIV>",
 "summary": "Top Seal Thickness for Madison Group, Williston Bay",
 "title": "Madison Top Seal Thickness",
 "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": ""
}