Jay Sumner

1 book

The Grizzly Bears of Yellowstone: Their Ecology In The Yellowstone Ecosystem by John J. Craighead

The Grizzly Bears of Yellowstone: Their Ecology In The Yellowstone Ecosystem
—
John J. Craighead

The Grizzly Bears of Yellowstone: Their Ecology In The Yellowstone Ecosystem
John J. Craighead with Jay Sumner, John Alexander Mitchell

556 pages • hardcover • 1995 (editions)

The Grizzly Bears of Yellowstone: Their Ecology In The Yellowstone Ecosystem by John J. Craighead

The Grizzly Bears of Yellowstone: Their Ecology In The Yellowstone Ecosystem
—
John J. Craighead

The Grizzly Bears of Yellowstone: Their Ecology In The Yellowstone Ecosystem

John J. Craighead with Jay Sumner, John Alexander Mitchell

556 pages • hardcover • 1995

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