Using Bogus.Locations to generate random points in a 3 mile radius

MapMaker.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp3.1</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Bogus" Version="28.4.4" />
    <PackageReference Include="Bogus.Locations" Version="28.4.4.8" />
    <PackageReference Include="FileHelpers" Version="3.4.1" />
  </ItemGroup>

</Project>

Program.cs

using System;
using System.Linq;
using Bogus;
using Bogus.Locations;
using FileHelpers;

namespace MapMaker
{
   class Program
   {
      static void Main(string[] args)
      {
         Randomizer.Seed = new Random(1337);

         var faker = new Faker();

         //Microsoft Campus in Redmond, WA.
         double centerLat = 47.640320;
         double centerLon = -122.134400;

         //3 mile radius in meters:
         double radiusMeters = 4828.03;

         //Option 1: Using LINQ to generate 50 random points in a 3 mile radius
         //--------------------------------------------------------------------
         var markers = Enumerable.Range(1, 50)
            .Select(_ =>
               {
                  var code = faker.Random.Replace("????"); //some 4 alpha code
                  var point = faker.Location().AreaCircle(centerLat, centerLon, radiusMeters);
                  return new Marker
                  {
                     Code = code,
                     Latitude = point.Latitude,
                     Longitude = point.Longitude
                  };
               });

         //Option 2: Use Faker<T> to generate 50 random points in a 3 mile radius
         //----------------------------------------------------------------------
         var markerFaker = new Faker<Marker>()
            .RuleFor(m => m.Code, f => f.Random.Replace("????"))
            .Rules((f, m) =>
               {
                  var randomPoint = f.Location().AreaCircle(centerLat, centerLon, radiusMeters);
                  m.Latitude = randomPoint.Latitude;
                  m.Longitude = randomPoint.Longitude;
               });
         var markers = markerFaker.Generate(50);
         
         //Write markers to a CSV file.
         // -- Import FileHelpers on NuGet
         var csvEngine = new FileHelperEngine<Marker>()
            {
               HeaderText = $"{nameof(Marker.Code)},{nameof(Marker.Latitude)},{nameof(Marker.Longitude)}"
            };

         csvEngine.WriteFile(@"r:\RandomMarkers.csv", markers);
      }
   }

   [DelimitedRecord(",")]
   public class Marker
   {
      public string Code;
      public double Latitude;
      public double Longitude;
   }
}

RandomMarkers.csv

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