Images

Manzanita bark is one of the shrub's most distinguishing features. New bark is smooth and red, while older bark becomes weathered by sunlight to light gray or white.

In this image, Middle Cascades and Lower Yosemite Falls may be seen from left to right. Middle Cascades have a total drop of 673 ft (206 m), while Lower Yosemite Falls has a drop of 320 ft (98 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, Upper Yosemite Falls may be seen from the Yosemite Falls Trail. Upper Yosemite Falls has a total plunge of 1,430 ft (440 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, Yosemite Creek may be seen just below the base of Yosemite Falls. Yosemite Creek is a 31.2 mile long creek in Yosemite National Park. It eventually joins with the Merced River in Yosemite Valley.

In this image, Upper Yosemite Falls may be seen from the Yosemite Falls Trail. Upper Yosemite Falls has a total plunge of 1,430 ft (440 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

Yosemite Valley from the Yosemite Falls trail. Yosemite Valley is a glacial valley in the Sierra Nevada mountains and the focal point of Yosemite National Park. The Valley is drained by the Merced River.

USGS scientist Jon Thomas collecting time-domain electromagnetic sounding in the Texas southern high plains to measure hydrogeologic properties below the land surface.

In this image, a detailed view Upper Yosemite Falls may be seen from the Yosemite Falls Trail. Upper Yosemite Falls has a total plunge of 1,430 ft (440 m). Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, a large pinnacle may be seen adjacent to Yosemite Falls. Pinnacles form as the granite is weathered away via ice, water, or plant growth.

Manzanita bark is one of the shrub's most distinguishing features. New bark is smooth and red, while older bark becomes weathered by sunlight to light gray or white.

In this image, a landslide may be seen below Moran Point in Yosemite Valley. The broken rock fragments are often referred to as talus deposits or scree.

In this image, Lower Yosemite Falls may be seen. Lower Yosemite Falls is the lowest of the three sectiosn of Yosemite Falls. It is about 320 ft (98 m) high. Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, Lower Cathedral Rock can be seen shrouded in fog in Yosemite National Park. It is composed of granite and is part of the Sierra Nevada batholith.

In this image, sunset may be seen on Moran Point in Yosemite Valley within Yosemite National Park.

In this image, Bridalveil Creek is seen flowing just beneath the base of Bridalveil Fall. The waterfall is 617 ft (188 m) in height and is one of the most well-known of Yosemite National Park's waterfalls.

In this image, Upper Yosemite Falls may be seen. Upper Yosemite Falls is the highest of the three sectiosn of Yosemite Falls. It is about 1,430 ft (440 m) high. Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.

In this image, Yosemite Valley may be seen shrouded in fog from Tunnel View. Yosemite Valley is a glacially carved valley located within Yosemite National Park. It is part of the Sierra Nevada batholith and is largely composed of granite.

In this image, Grizzly Peak may be seen in detail from Yosemite Valley Floor within Yosemite National Park.

In this image, the Moon may be seen in detail rising over Half Dome. Half Dome is a granite dome, rising about 4,737 ft (1,444 m) above the surrounding valley. It is part of the Sierra Nevada batholith and is one of Yosemite National Park's most famous features.

USGS biologist Terry Maret holds a channel catfish samples as part of a mercury monitoring program conducted by the USGS and the City of Boise.

In this image, all three sections of Yosemite Falls can be seen. Yosemite Falls is the highest measured waterfall in North America at 2,425 ft (739 m) in height. Yosemite Falls is one of the most famous waterfalls within Yosemite National Park.