EPSG:6840 - NAD83(CORS96) / Oregon Coast zone (m)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "NAD83(CORS96) / Oregon Coast zone (m)",
  "base_crs": {
    "name": "NAD83(CORS96)",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "NAD83 (Continuously Operating Reference Station 1996)",
      "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
      }
    },
    "coordinate_system": {
      "subtype": "ellipsoidal",
      "axis": [
        {
          "name": "Geodetic latitude",
          "abbreviation": "Lat",
          "direction": "north",
          "unit": "degree"
        },
        {
          "name": "Geodetic longitude",
          "abbreviation": "Lon",
          "direction": "east",
          "unit": "degree"
        }
      ]
    },
    "id": {
      "authority": "EPSG",
      "code": 6783
    }
  },
  "conversion": {
    "name": "Oregon Coast zone (meter)",
    "method": {
      "name": "Hotine Oblique Mercator (variant A)",
      "id": {
        "authority": "EPSG",
        "code": 9812
      }
    },
    "parameters": [
      {
        "name": "Latitude of projection centre",
        "value": 44.75,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8811
        }
      },
      {
        "name": "Longitude of projection centre",
        "value": -124.05,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8812
        }
      },
      {
        "name": "Azimuth at projection centre",
        "value": 5,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8813
        }
      },
      {
        "name": "Angle from Rectified to Skew Grid",
        "value": 5,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8814
        }
      },
      {
        "name": "Scale factor at projection centre",
        "value": 1,
        "unit": "unity",
        "id": {
          "authority": "EPSG",
          "code": 8815
        }
      },
      {
        "name": "False easting",
        "value": -300000,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": -4600000,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8807
        }
      }
    ]
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Easting",
        "abbreviation": "X",
        "direction": "east",
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "Y",
        "direction": "north",
        "unit": "metre"
      }
    ]
  },
  "scope": "Engineering survey.",
  "area": "United States (USA) - Oregon - coastal area.",
  "bbox": {
    "south_latitude": 41.89,
    "west_longitude": -124.84,
    "north_latitude": 46.4,
    "east_longitude": -123.35
  },
  "id": {
    "authority": "EPSG",
    "code": 6840
  }
}

{'crs_wkt': 'PROJCRS["NAD83(CORS96) / Oregon Coast zone '
            '(m)",BASEGEOGCRS["NAD83(CORS96)",DATUM["NAD83 (Continuously '
            'Operating Reference Station 1996)",ELLIPSOID["GRS '
            '1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",6783]],CONVERSION["Oregon '
            'Coast zone (meter)",METHOD["Hotine Oblique Mercator (variant '
            'A)",ID["EPSG",9812]],PARAMETER["Latitude of projection '
            'centre",44.75,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8811]],PARAMETER["Longitude '
            'of projection '
            'centre",-124.05,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8812]],PARAMETER["Azimuth '
            'at projection '
            'centre",5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8813]],PARAMETER["Angle '
            'from Rectified to Skew '
            'Grid",5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8814]],PARAMETER["Scale '
            'factor at projection '
            'centre",1,SCALEUNIT["unity",1],ID["EPSG",8815]],PARAMETER["False '
            'easting",-300000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",-4600000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting '
            '(X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
            '(Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering '
            'survey."],AREA["United States (USA) - Oregon - coastal '
            'area."],BBOX[41.89,-124.84,46.4,-123.35]],ID["EPSG",6840]]'}