text: var map = L.mapbox.map('map', 'examples.map-9ijuk24y');
  var markers = new L.MarkerClusterGroup();
  
  var locs = {
    triangle: {
      desc: 'Triangle Fraternity',
      coords: [44.983294, -93.237445]
    },
    keller: {
      desc: 'Keller Hall',
      coords: [44.974548, -93.232232]
    }
  };
  
  _.values(locs).forEach(function(loc) {
    L.marker(loc.coords).bindPopup(loc.desc).addTo(map);
  });
  
  $.get('/mpls_nodes_some.json').then(function(data) {
    _.pairs(data).forEach(function(locPair) {
      var id = locPair[0];
      var loc = locPair[1];
      var marker = L.marker([loc.lat, loc.lon])
        .bindPopup('ID:' + id + ', lat:' + loc.lat + ', lon:' + loc.lon);
      markers.addLayer(marker);
    });
  });
  
  map.addLayer(markers);
  
  map.setView(locs.triangle.coords, 15);
  