{
 "culture": "en-US",
 "name": "",
 "guid": "",
 "catalogPath": "",
 "snippet": "Structure Map for Potomac Group",
 "description": "<DIV STYLE=\"text-align:Left;\"><P STYLE=\"font-size:16ptmargin:7 0 7 0;\"><SPAN>A number of maps show the elevation at the top of the Potomac aquifer (Gill and Farlekas, 1969; Brown and others, 1972; Trapp and Meisler (1992; Trapp, 1992). We chose to digitize the map of Trapp and Meissler (1992; their plate 7B) because it covers the entire region and clearly defines the hydrostratigraphic unit.<\/SPAN><\/P><DIV><P><SPAN /><\/P><\/DIV><\/DIV>",
 "summary": "Structure Map for Potomac Group",
 "title": "Potomac Structure Map",
 "tags": [
  "Lower Potomac Group",
  "Maryland",
  "Delaware",
  "New Jersey"
 ],
 "type": "",
 "typeKeywords": [],
 "thumbnail": "",
 "url": "",
 "minScale": "NaN",
 "maxScale": "NaN",
 "spatialReference": "",
 "accessInformation": "Trapp, H., Jr., and Meisler, H., 1992, The regional aquifer underlying the northern Atlantic coastal plain in parts of North Carolina, Virginia, Maryland, Delaware, New Jersey, and New York\u2014summary: U.S. Geological Survey, Professional Paper 1404A, 33 p., 11 plates.",
 "licenseInfo": "See access and use constraints information.",
 "portalUrl": ""
}