index.html
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Leaflet Omnivore with CSV Data</title>
<meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox.js/v1.6.1/mapbox.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox.js/v1.6.1/mapbox.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
.leaflet-top-pane {pointer-events: none;}
</style>
</head>
<body>
<script src='//api.tiles.mapbox.com/mapbox.js/plugins/leaflet-omnivore/v0.0.0/leaflet-omnivore.min.js'></script>
<div id='map'></div>
<script>
var map = L.mapbox.map('map', 'landplanner.map-hddrd5ju')
.setView([44, -72.5], 8);
omnivore.topojson('//geosprocket.cartodb.com/api/v2/sql?q=SELECT * from vttowns_wgs84&format=topojson').addTo(map);
var topPane = map._createPane('leaflet-top-pane', map.getPanes().mapPane);
var topLayer = new L.mapbox.tileLayer('sactree.h7id69df', {
maxZoom: 17,
opacity: 0.8
}).addTo(map);
topPane.appendChild(topLayer.getContainer());
topLayer.setZIndex(7);
</script>
</body>
</html>