Jeffrey P Schaffer

Top Trails: Yosemite

Desolation Wilderness And The South Lake Tahoe Basin

Yosemite National Park: A Natural History Guide To Yosemite And Its Trails With Map

Yosemite National Park: A Natural-History Guide To Yosemite And Its Trails

The Geomorphic Evolution Of The Yosemite Valley And Sierra Nevada Landscapes: Solving The Riddles In The Rocks

Lassen Volcanic National Park & Vicinity: A Natural History Guide To Lassen Volcanic National Park, Caribou Wilderness, Thousand Lakes Wilderness, Hat

The Tahoe Sierra: A Natural History Guide To 106 Hikes In The Northern Sierra

Crater Lake National Park And Vicinity

Hiking The Big Sur Country: The Ventana Wilderness

Northern California: From Tuolumne Meadows To The Oregon Border

Oregon And Washington: From The California Border To The Canadian Border