| Type |  Book |
| ชื่อเรื่อง | The United States [map] : history of the land / produced by National Geographic Maps for National Geographic magazine ; William E. McNulty, director of maps, National Geographic magazine ; research--Debbie Gibbons ; edit--Maureen Flynn, David Miller. The United States / National Geographic |
| ผู้แต่ง | National geographic maps (firm) |
| พิมพลักษณ์ | Washington, D.C. : National Geographic Society, c2006 |
| รูปเล่ม | 2 maps on 1 sheet : both sides, col. ; sheet 61 x 95 cm.,folded to 16 x 19 cm |
| หัวเรื่อง | Ecological zones -- United States -- Maps [] |
| | Landscapes -- United States -- Maps [] |
| | Physical geography -- United States -- Maps [] |
| | Phytogeography -- United States -- Maps [] |
| | Roads -- United States -- Maps [] |