{
  "condition": "Condition of mark",
  "corsId": "CORS Station ID",
  "distance": "Distance in meters of the nearest CORS station from a given location",
  "dynamicHt": "Dynamic height in meters",
  "ellipHeight": "Height, in meters, above the geometric reference frame ellipsoid",
  "epoch": "The date, in decimal years, CE, for the coordinates; important if the mark is moving within the reference frame",
  "geoidHeight": "Geoid Height in meters",
  "geoidModel": "Model used for Geoid",
  "htMod": "Y=Height Modernization survey station",
  "lat": "Latitude, in decimal degrees, positive north of the equator",
  "latDms": "Latitude in Degrees-Minutes-Seconds with a 'N'orth or 'S'outh hemisphere prefix",
  "lon": "Longitude in decimal degrees; negative west of the prime meridian",
  "lonDms": "Longitude in Degrees-Minutes-Seconds with an 'E'ast or 'W'est hemisphere prefix",
  "modeledGravity": "Modeled gravity in mgal",
  "monumentType": "Type of monumentation",
  "name": "A human-friendly mark identifier associated with a mark, may not be unique",
  "netAccE": "network accuracy for longitude, 1-sigma",
  "netAccEh": "Network accuracy for ellipsoid height, 2-sigma",
  "netAccHz": "Network accuracy for horizontal, 2-sigma in 2-dimensions",
  "netAccN": "Network accuracy for latitude, 1-sigma",
  "netAccU": "network accuracy for ellipsoid height, 1-sigma",
  "netCorrNE": "Correlation coefficient between latitude and longitude",
  "orthoHt": "Orthometric Height in meters",
  "pacsSacs": "Primary Airport Control Station(PACS) or Secondary Control Airport Station(SACS) indicator",
  "pid": "A 6-character permanent identifier that uniquely identifies a mark",
  "posDatum": "A synonym for Reference Frame",
  "posOrder": "A code that identifies the order of Horizontal Position",
  "posSource": "Source of Horizontal Position ",
  "quad": "Name of USGS quadrant",
  "refFrame": "Datum for latitude, longitude, and ellipsoid height",
  "satUse": "Y=The location is suitable for satellite visibility ",
  "setting": "The mark's underlying structure, e.g., a concrete post or deep-driven rod",
  "spcCombinedFactor": "A product of scale factor and elevation factor that varies by latitude and ellipsoid height",
  "spcConvergence": "Angular difference between grid north and geodetic north, in Degrees-Minutes-Seconds",
  "spcEasting": "East coordinate of State Plane in meters",
  "spcNorthing": "North coordinate of State Plane in meters",
  "spcZone": "Name of a State Plane Coordinate zone",
  "stCounty": "State abbreviation and County name where a mark is located",
  "stability": "An estimate of the mark's ability to maintain a long-term, constant position relative to other local features",
  "stamping": "A transcription of the name and/or other characters, if any, struck into the mark's tablet",
  "utmCombinedFactor": "A product of UTM scale factor and elevation factor that varies by latitude and ellipsoid height",
  "utmConvergence": "Angular difference between grid north and geodetic north, in Degrees-Minutes-Seconds",
  "utmEasting": "East coordinate of UTM in meters",
  "utmNorthing": "North coordinate of UTM in meters",
  "utmZone": "Name of a Universal Transverse Mercator(UTM)zone",
  "vertClass": "Vertical Class",
  "vertDatum": "Datum for orthometric height",
  "vertEpoch": "Epoch associated with vertical position",
  "vertOrder": "Vertical Order",
  "vertSource": "Vertical Source",
  "x": "Cartesian X-coordinate in meters",
  "y": "Cartesian Y-coordinate in meters",
  "z": "Cartesian Z-coordinate in meters"
}