DRG map

A Digital Raster Graphic (DRG) is a scanned image of a USGS topographic map, and it includes all the map collar information.
They all are made to fit with the Universal Transverse Mercator projection. They are scanned at a minimum resolution of 250 dots per inch.

This is a scanned image showing the geographical location and surroundings of Michigan State University.
http://lter.msu.edu/maps/GIS/DRG_d.jpg