There are four topographical maps that cover the Elk City State Park and the Elk River Hiking Trail. You only need the Table Mound, KS and Elk City, KS maps for the Flat Rock course.
These maps are between 4.4 -5.7 MB each and are in geotiff format. They can be opened in any photo editing program. They can also be imported into mapping programs such as ExpertGPS and Fugawi Global Navigator.
These maps are between 3.3 -4.1 MB each and are in PDF format. They can be opened in Adobe Acrobat.