Garmin information:

•  MapSource® U.S. TOPO 24K National Parks Eastern
• Includes One Year Manufacturer's Warranty 
• Navigational Software
• Download Extremely Detailed Topographic Maps of Eastern U.S. National Parks
• Trip & Waypoint Management Functions**
• Digital Topographic Maps
• Searchable Points of Interest
• User Selectable Coverage by Quad
• Object-Oriented Cartography Cursor
• - Movement Reveals Descriptions & Other Map Data
• Click Here for Parks w/ Additional Detail
• For Garmin GPS Models:
  eTrex: Legend, Legend Cx, Venture Cx, Vista, Vista Cx
  GPS Map: 76S, 172, 172C, 178, 178C, 276C, 3006C, 3010C, 3206, 3210, 376C, 378, 478, 60, 60C, 60CSx, 60Cx, 76, 76CSx, 76Cx
  iQue: 3600, M3, M4
  Quest: Quest, Quest 2
  Rino: 120, 130
• **These Functions of this Product Work w/ Nearly all Garmin GPS Units, Excluding the GPS100 Family & Panel Mount Aviation Units.