Bathymetric Contours

The Bathymetric Contours dataset is consumed from an external ArcGIS web service via the following URL and ID

https://coast.noaa.gov/arcgis/rest/services/OceanReportingTool/BathymetricContours/MapServer
ID: 1

OpenLayers

If you are developing in OpenLayers, you will want to use the OpenLayers ArcGIS93Rest class. An example of your solution might look similar to the code below.

layer = new OpenLayers.Layer.ArcGIS93Rest(
    "Bathymetric Contours",
    "https://coast.noaa.gov/arcgis/rest/services/OceanReportingTool/BathymetricContours/MapServer/export",
    {
        layers: "show:1",
        transparent: true
    },
    {
        isBaseLayer: false
    }
);
map.addLayer(layer);