Wind Cave is the first cave national park and currently, the 6th most extensive cave network in the world. It's most famous for its large concentration of a fairly rare cave formation known as boxwork. Boxwork is formed when dissolved calcium carbonate crystallized in cracks in surrounding rock.
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Cave Formations in Wind Cave
Wind Cave is the first cave national park and currently, the 6th most extensive cave network in the world. It's most famous for its large concentration of a fairly rare cave formation known as boxwork. Boxwork is formed when dissolved calcium carbonate crystallized in cracks in surrounding rock.
Boxwork in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
Dogtooth and Nailhead Spar in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
On the righthand side of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
On the righthand side of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Dogtooth and Nailhead Spar in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Flowstone Formations in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
Cave Bacon in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, a formation known as cave bacon can be seen.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, a formation known as cave bacon can be seen.
Dogtooth and Nailhead Spar in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Cross-section of Calcite Crystal Covering in Jewel Cave
Cross-section of Calcite Crystal Covering in Jewel CaveJewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
A cross-sectional view of the crystal coating can be seen in the center of the image, with the surface of the calcite crystals at the top of the image.
Cross-section of Calcite Crystal Covering in Jewel Cave
Cross-section of Calcite Crystal Covering in Jewel CaveJewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
A cross-sectional view of the crystal coating can be seen in the center of the image, with the surface of the calcite crystals at the top of the image.
Dogtooth and Nailhead Spar in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of the image, some of this coating of calcite crystals can be seen. These crystals are made up of two primary types: dogtooth spar and nailhead spar.
Piping plover chicks concealed on a sandy beach
Piping plover chicks are well concealed in shallow nests on sandy beaches.
Piping plover chicks are well concealed in shallow nests on sandy beaches.
Mule Ear Drapery in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of this image, a cave formation known as mule-ear drapery can be seen.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
In the center of this image, a cave formation known as mule-ear drapery can be seen.
An Iron Deposit in Jewel Cave
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
Jewel Cave is currently the 3rd most extensive cave network in the world. It is believed to have formed completely underwater, thus leading to the extensive coating of calcite crystals.
Normal Versus Bait-Laden Prairie Dog Feces
This image was taken during field tests to determine the effectiveness of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered to wild prairie dogs via a brightly colored bait.
This image was taken during field tests to determine the effectiveness of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered to wild prairie dogs via a brightly colored bait.
Bait-Colored Prairie Dog Excrement
This image was taken during field tests to determine the effectiveness of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered to wild prairie dogs via a brightly colored bait.
This image was taken during field tests to determine the effectiveness of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered to wild prairie dogs via a brightly colored bait.
Prairie Dog Hole, Pitchfork Ranch, WY
The image was taken during field tests to determine the effectiveness of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered to wild prairie dogs via a brightly colored bait.
The image was taken during field tests to determine the effectiveness of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered to wild prairie dogs via a brightly colored bait.
Cages Next to Prairie Dog Hole
Cages are set up next to a prairie dog burrow at the Pitchfork Ranch in Wyoming to capture free-ranging prairie dogs. Once captured, each trapped prairie dog is tagged, and a scientist takes hair, whisker, and blood samples before the animals are released back into the wild.
Cages are set up next to a prairie dog burrow at the Pitchfork Ranch in Wyoming to capture free-ranging prairie dogs. Once captured, each trapped prairie dog is tagged, and a scientist takes hair, whisker, and blood samples before the animals are released back into the wild.
Trail head to Lower Jumpup Spring, north of Grand Canyon.
Trail head to Lower Jumpup Spring, north of Grand Canyon.Trail head sign to Lower Jumpup Spring, north of Grand Canyon.
Trail head to Lower Jumpup Spring, north of Grand Canyon.
Trail head to Lower Jumpup Spring, north of Grand Canyon.Trail head sign to Lower Jumpup Spring, north of Grand Canyon.
Wild Prairie Dog
A prairie dog sits outside its burrow at the Pitchfork Ranch near Meteetsee, Wyoming.
A prairie dog sits outside its burrow at the Pitchfork Ranch near Meteetsee, Wyoming.
Plague Vaccine Bait
The USGS developed an oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered via a brightly colored, peanut butter flavored bait.
The USGS developed an oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague. The SPV is administered via a brightly colored, peanut butter flavored bait.
Tagged Prairie Dog
This wild prairie dog has been tagged by scientists in an effort to study the efficacy of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague.
This wild prairie dog has been tagged by scientists in an effort to study the efficacy of a USGS-developed oral sylvatic plague vaccine (SPV) to help immunize prairie dogs against plague.
Pitchfork Ranch, Wyoming
Over 30 organizations and agencies are testing a USGS-developed oral sylvatic plague vaccine (SPV) at sites such as the Pitchfork Ranch in Wyoming, pictured here. If successful, the SPV could help protect endangered black-footed ferret populations in the western
Over 30 organizations and agencies are testing a USGS-developed oral sylvatic plague vaccine (SPV) at sites such as the Pitchfork Ranch in Wyoming, pictured here. If successful, the SPV could help protect endangered black-footed ferret populations in the western