Bibliografía (42 obras)
Protecting the wild
2015
Keeping the wild
2014
Energy
2012
Energy Reader
Thrillcraft
2007
Wildfire
2006
The wildfire reader
The Wildfire Reader
America 2006 Calendar
2005
Yosemite Promotional Hardback
2004
Great Smoky Mountains
2003
Welfare ranching
2002
Oregon's wilderness areas
Oregon's Best Wildflower Hikes
America 2003
Rocky Mountain
2001
Beautiful America's Washington
2000
Mount Rainier
Olympic
1999
Beautiful America
Californias Wilderness Areas the Complete Guide
1998
Grand Canyon
California's wilderness areas
1997
Beautiful America's Alaska
1995
California's Wildlands
Cal 96 Idaho
North Idaho's lake country
Yosemite
1994
California's Sierra Nevada
1993
Yellowstone
1992
Nevada mountain ranges
Southern Appalachian country
1990
Montana, Magnificent Wilderness
The Maine coast
1989
Texas' Big Bend country
The Adirondacks
1988
Alaska's mountain ranges
Yellowstone and the fires of change
Vermont, portrait of the land and its people
1987
Oregon mountain ranges
Idaho mountain ranges
1986
