Acadia2003_photo.jpg
AmericanSamoa1989_photo.jpg
BlackCanyonoftheGunnison1983_photo.jpg
CarlsbadCaverns2010_photo.jpg
CraterLake1996_photo.jpg
GrandCanyon1996_photo.jpg
IndianaDunes1987_photo.jpg
LakeClark2009_photo.jpg
Redwood1980_photo.jpg
VirginIslands2007_photo.jpg
Voyageurs2006_photo.jpg
WrangellStElias1987_photo.jpg