EPSG:3588

WGS84 Bounds: -87.0900, 43.8100, -82.2400, 45.8800 var bounds = new OpenLayers.Bounds(-87.090000000000003, 43.810000000000002, -82.239999999999995, 45.880000000000003);
Projected Bounds: 18966187.0529, 187223.4171, 20246436.4391, 946196.1057
Scope: Large and medium scale topographic mapping and engineering survey.
Last Revised: 2007-03-13
Area: USA - Michigan - SPCS - C

NAD83(NSRS2007) / Michigan Central (ft) (Google it)