Since April 20, 2010, oil from a BP deep water rig has been gushing into the gulf waters off the coast of Louisiana. As it creeps toward Florida, it still may be difficult to understand how big this oil slick really is.

Resource Shelf–a newsletter designed for educators, journalist and information professionals–has provided a link to ifitwasmyhome.com to help visualize the areas affected by this disaster. To give a better perspective of this environmental hazard, this web tool allows you to see the size of the slick in the Gulf of Mexico, or as centered over a location of your choosing.

Click here to see the oil slick superimposed over a map of your current location. Once the page has loaded, you can change the map to a different location.

Click here to see other links provided by that Resource Shelf to get updates on the Spill.