This image from a viewpoint at Dead Horse State Park in Utah shows horizontal Mesozoic sedimentary rocks characteristic of the Colorado Plateau. The Colorado River can be seen from this vantage point and this state park is located between Canyonlands National Park to the southwest and Arches National Park to the northeast.
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Dead Horse Point State Park, Utah
This image from a viewpoint at Dead Horse State Park in Utah shows horizontal Mesozoic sedimentary rocks characteristic of the Colorado Plateau. The Colorado River can be seen from this vantage point and this state park is located between Canyonlands National Park to the southwest and Arches National Park to the northeast.
Delicate Arch after the rain
Delicate Arch in Arches National Park, Utah. https://www.usgs.gov/nationalparks Photo by Annie Scott, USGS
Delicate Arch in Arches National Park, Utah. https://www.usgs.gov/nationalparks Photo by Annie Scott, USGS
LIDAR sensors to unmanned aerial vehicles
Observations and measurements may now be made by attaching imaging and LIDAR sensors to unmanned aerial vehicles; pictured is a drone being used by the modern-day expedition to document their journey
Observations and measurements may now be made by attaching imaging and LIDAR sensors to unmanned aerial vehicles; pictured is a drone being used by the modern-day expedition to document their journey
Powell Expedition 2019 - Self-bailing Rafts with Rigging
USGS personnel are taking part in this year’s modern expedition that follows Powell’s 1869 journey; they are using 18-foot, inflatable, self-bailing rafts with rigging.
USGS personnel are taking part in this year’s modern expedition that follows Powell’s 1869 journey; they are using 18-foot, inflatable, self-bailing rafts with rigging.
Sign of SCREE Expedition on the back of a boad
Photo of the scree sign with sponsors, U of Wyoming and USGS.
Photo of the scree sign with sponsors, U of Wyoming and USGS.
The Powell 150 Expedition prepares to launch from Green River, Wyoming
The Powell 150 expedition prepares to launch from Green River, Wyoming, on May 24, 2019. A John Wesley Powell impersonator poses with the group to send them off on their ~1000 mile journey.
The Powell 150 expedition prepares to launch from Green River, Wyoming, on May 24, 2019. A John Wesley Powell impersonator poses with the group to send them off on their ~1000 mile journey.
Grand Canyon from South Rim near Powell Point
Grand Canyon National Park from Powell Point on the South Rim. Photo taken during a ceremony commemorating the 150th anniversary of the John Wesley Powell expedition.
Grand Canyon National Park from Powell Point on the South Rim. Photo taken during a ceremony commemorating the 150th anniversary of the John Wesley Powell expedition.
Grand Canyon National Park Historic River Boat Collection
The Edith (left), in Grand Canyon National Park’s historic river boat collection, is an example of a wooden river boat, though it was made from several decades after Powell’s expedition. Brothers Emery and Ellsworth Kolb paddled it down the Colorado River in 1911-12.
The Edith (left), in Grand Canyon National Park’s historic river boat collection, is an example of a wooden river boat, though it was made from several decades after Powell’s expedition. Brothers Emery and Ellsworth Kolb paddled it down the Colorado River in 1911-12.
Nellie Powell - Powell Boat 1871
In 1938, after a brush fire, a rancher found remnants of the Nellie Powell, a boat from Powell’s second expedition in 1871, which had been left at Lees Ferry. Grand Canyon National Park now stores this piece in its collections. (Annie Scott/USGS)
In 1938, after a brush fire, a rancher found remnants of the Nellie Powell, a boat from Powell’s second expedition in 1871, which had been left at Lees Ferry. Grand Canyon National Park now stores this piece in its collections. (Annie Scott/USGS)
Visitors at Mt. St. Helens
Visitors on the trail, Mt. St. Helens in the background
Visitors on the trail, Mt. St. Helens in the background
Intern Kacey Garber
USGS Cooperative Summer Fellowship Program intern Kacey Garber conducting research in 2017
USGS Cooperative Summer Fellowship Program intern Kacey Garber conducting research in 2017
Mammoth Cave Accessible Tour. Some of the cave is accessible to wheelc
Some of the walkways in Mammoth Cave have been made accessible to wheelchairs. The park opened accessible tours in 2016.
Some of the walkways in Mammoth Cave have been made accessible to wheelchairs. The park opened accessible tours in 2016.
Rocky Mountain National Park, early fall
Photo of Rocky Mountain National Park - fall trees in the foreground, mountains in the background.
Photo of Rocky Mountain National Park - fall trees in the foreground, mountains in the background.
Spring in Hot Springs National Park
A spring in Hot Springs National Park, Arkansas. The gray rock is tufa - a sedimentary rock that precipitates out of mineral-rich springs.
A spring in Hot Springs National Park, Arkansas. The gray rock is tufa - a sedimentary rock that precipitates out of mineral-rich springs.
Rocky Mountain Tundra with Bighorn Sheep grazing
High elevation tundra in Rocky Mountain National Park.
High elevation tundra in Rocky Mountain National Park.
Mt. St. Helens viewed at sunset
View of Mt. St. Helens at sunset, taken sometime after the crater forming eruption in 1980.
View of Mt. St. Helens at sunset, taken sometime after the crater forming eruption in 1980.
A photo of Crater lake in winter, snow blanketing the banks.
Cliffs along north rim of the caldera rise about 1,000 feet above the lake surface (elevation 6,173 feet). Wizard Island is visible from this vantagepoint. The deep blue color of the lake is a reflection of the clear sky above and the great depth of the water (not from any mineral content in the water!).
Cliffs along north rim of the caldera rise about 1,000 feet above the lake surface (elevation 6,173 feet). Wizard Island is visible from this vantagepoint. The deep blue color of the lake is a reflection of the clear sky above and the great depth of the water (not from any mineral content in the water!).
Puʻuhonua o Hōnaunau National Historical Park, Kona, Hawaii Island
Puʻuhonua o Hōnaunau National Historical Park is located in Kona District on the Big Island of Hawai'i.
Puʻuhonua o Hōnaunau National Historical Park is located in Kona District on the Big Island of Hawai'i.
Map of Indiana Dunes National Park
Indiana Dunes National Park is the country's 61st National Park. Based in northwestern Indiana, the National Park lines Lake Michigan and offers more than 15,000 acres for visitors to enjoy and explore.
Indiana Dunes National Park is the country's 61st National Park. Based in northwestern Indiana, the National Park lines Lake Michigan and offers more than 15,000 acres for visitors to enjoy and explore.
Map of Pictured Rocks National Lakeshore
Pictured Rocks National Lakeshore is found along Lake Superior in Michigan’s Upper Peninsula.
Pictured Rocks National Lakeshore is found along Lake Superior in Michigan’s Upper Peninsula.
Photo of horses in the dunes at Assateague Island
Ponies on the dunes at Assateague Island National Seashore. Assateague island is a barrier island is home to a herd of wild ponies.
Ponies on the dunes at Assateague Island National Seashore. Assateague island is a barrier island is home to a herd of wild ponies.