Leon's photographs have been published in:

Calendars

  • American Wildflowers (Abbeville Press)
  • Big Bend (Dream Garden Press)
  • REISierra Club

Magazines

  • Alaska Airlines
  • Backpacker
  • Cascades East
  • Canoe & Kayak
  • Golf Illustrated
  • Inside/Outside
  • Men's Fitness
  • Men's Health Mountain Biking
  • National Geographic Adventure
  • National Geographic Traveler
  • Oregon Golf Guide
  • Portland Monthly
  • River
  • Sierra
  • Skiing
  • Soujourns
  • The Drake
  • Travel Oregon
  • Western Horseman

Advertising

  • AIRE / Outcast Sporting Gear
  • Baja Outdoor Activities
  • BikeE
  • Butterfield & Robinson
  • Cascada Expeditions (Chile)
  • Cascade Designs
  • Costa Rica Expeditions
  • Crystal Seas Kayaking
  • Expediciones Chile
  • Gregory Mountain Products
  • In House Graphics
  • Jack's Plastic Welding
  • Mochizuki Outdoor Tools
  • OARS
  • Playa Las Tortugas
  • REI
  • Wilderness Travel

Books

  • Oregon Wild - Endangered Forest Wilderness
  • Grand Canyon's North Rim & Beyond
  • The Incredible Grand Canyon
  • Utah, A Centennial Celebration
  • Utah On My Mind
  • Texas, A Photographic Celebration

Newspapers

  • The Oregonian
  • Toronto Globe & Mail
  • The Wallowa County Chieftain

Non-Profit Groups

  • Grand Canyon Wildlands Council
  • Hells Canyon Preservation Council
  • National Women's Museum
  • Oregon Natural Desert Assn.
  • Oregon Wild
  • Renewable Northwest Project
  • Southern Utah Wilderness Alliance
  • Wallowa Land Trust
  • Waterwatch of Oregon

Other

  • Ken Burn's "The National Parks"
  • Portland Winterhawks
  • United Airlines
      
Leon's images have also been used by a variety of clients in brochures, websites, postcards and displays.