relief of US plus boundary

relief map of US from http://pubs.usgs.gov/of/1999/of99-011/online.html
border of US from natural earth file
my boundary file's a little off

<!DOCTYPE html>
<meta charset='utf-8'>
<style>
  /* Style here... */
  path#USI {
    fill: none;
    stroke: #000;
stroke-width:2;
  }
  image.bg {
    opacity: .5;
  }
</style>

var projection = d3.geo.albers()
		.rotate([95.8,.2])
    .scale(937)
    .translate([width / 2, height / 2]);

var path = d3.geo.path()
    .projection(projection);

var svg = d3.select("body").append("svg")
    .attr("class", "map")
    .attr("width", width)
    .attr("height", height);

d3.json("usborder.json", function(error, data) {
    var us = topojson.object(data, data.objects.usborder);

svg.append("image")
      //.attr("clip-path", "url(#clip)")
      .attr("xlink:href", "usael.png")
      .attr("width", width)
      .attr("height", height)
      .attr("class", "bg");

svg.selectAll(".cr-subunit")
      .data(us.geometries)
    .enter().append("path")
      .attr("id", function(d) { return "USI"; })
      .attr("d", path);

svg.append("clipPath")
      .attr("id", "clip")
    .append("use")
      .attr("xlink:href", "#USI");

svg.append("image")
      .attr("clip-path", "url(#clip)")
      .attr("xlink:href", "usael.png")
      .attr("width", width)
      .attr("height", height)
      .attr("class", "fg");
  });

// Script here...
</script>

Modified http://d3js.org/d3.v3.min.js to a secure url

Modified http://d3js.org/topojson.v0.min.js to a secure url

https://d3js.org/d3.v3.min.js

https://d3js.org/topojson.v0.min.js