Explore Yellowstone - Summer 2019

Page 92

Obsidian cobble—or a chunk of the glassy rock—found at Obsidian Cliff in Yellowstone National Park. PHOTO BY DOUGLAS MACDONALD

YELLOWSTONE’S

OBSIDIAN CLIFF

NATIVE AMERICANS WERE THE ROCKIES’ ORIGINAL HARD-ROCK MINERS BY DOUGLAS H. MACDONALD

92 Explore Yellowstone explorebigsky.com

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Artist answers call of the wild

4min
pages 88-91

Native American obsidian use

6min
pages 92-95

GATEWAY TOWN BUSINESS DIRECTORY

3min
pages 96-97

Circumnavigating Yellowstone Lake, a look at trout conservation

8min
pages 74-77

How to catch-and-release fish

4min
pages 78-81

Yellowstone in the winter

5min
pages 82-87

Yellowstone’s evolving fire strategy

5min
pages 68-72

Research on geyser trash and plastic breakdown

3min
pages 66-67

Understanding bison management

7min
pages 56-61

Exploring from the West Entrance

3min
pages 24-28

Geyser day hikes

3min
pages 29-32

Experience the fall elk rut

2min
pages 52-55

Grizzly and Wolf Discovery Center

1min
page 33

Noxious weed prevention

2min
pages 62-65

A guide to Yellowstone animals

2min
pages 40-41
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