Tom Patterson

Tom Patterson maintains this and the shadedrelief.com websites. He works for the U.S. National Park Service.
Stacks Image 197
Stacks Image 198
Stacks Image 199
Stacks Image 200
Stacks Image 201
Stacks Image 202
Stacks Image 203
Stacks Image 204
Stacks Image 205
Stacks Image 206
Stacks Image 207
Stacks Image 208