{
  "units": "us",
  "shape": "rectangular",
  "width": "10",
  "n": "0.014",
  "discharge": "300",
  "slope": "0.02",
  "controlDepth": "2.9",
  "reachLength": "0",
  "solveFor": "depth",
  "jumpDepth": "1.5"
}