docs: function findStoresInRange(georesult, range, callback) {
    snapdb.findStoresInRange(georesult.location, range, function(err, stores) {
      if (err) return callback(err);
  
      var sorted = sortStoresByDistance(georesult.location, stores);
      georesult.stores = _.filter(sorted, function(store) { return store.distance <= range; });
      return callback(null, georesult);
    });
  }