@ -111,7 +111,7 @@ Let's set up a basic D3 page:
<head>
<meta charset="utf-8">
<title></title>
<script src="https://d3js.org/d3.v5.min.js" charset="utf-8"></script>
<script src="https://d3js.org/d3.v7.min.js" charset="utf-8"></script>
<script src="https://cdn.rawgit.com/mahuntington/mapping-demo/master/map_data.js" charset="utf-8"></script>
</head>
<body>