The Sentinel in Crater Lake. Crater Lake National Park, Oregon. n.d.

Album caption: The Sentinel in Crater Lake. The bottom of the lake in most places pitches off at such a steep angle that it is quite possible for the motorboat to hug in close to the surrounding rocks and cliffs. This remain sentinel of a by-gone period is invariably visited by the motorboat. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Looking north from Eagle Dove Trail to Wizard Island and Llao Rock, Devils Backbone. Crater Lake National Park, Oregon. 1925.

Looking north from Eagle Dove Trail to Wizard Island and Llao Rock, Devils Backbone. Crater Lake National Park, Oregon. August 31, 1925.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park, National Parks, Photographers, photo print

Glacial striae, about center of Crater Lake. Crater Lake National Park, Oregon. n.d.

Album caption: Glacial striae S. 65° W., from lake south of island, about center of Crater Lake. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Union Peak and the crest of range south of Crater Lake. Crater Lake National Park, Oregon. n.d.

Album caption: Union Peak and the crest of range south of Crater Lake. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, Photographers, photo print

Phantom Ship and the Devil's Ranch, Crater Lake. Crater Lake National Park, Oregon. n.d.

Album caption: Phantom Ship and the Devil's Ranch, Crater Lake. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Victor Rock and Canyons. Crater Lake National Park, Oregon. circa 1901.

Album caption: Victor Rock and Canyons, from boat. Crater Lake National Park, Klamath County, Oregon. ca. 1901. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Crater Lake from Mount Scott. Crater Lake National Park, Oregon. circa 1901.

Album caption: Panorama of Crater Lake from Mount Scott. Crater Lake National Park, Oregon. ca. 1901. (Panorama with photo nos. 775-778) (djs00775, djs00776, djs00778) Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... panorama, photo print, Fewer tags

Crater Lake National Park, Oregon. Cleetwood flow. Circa 1901.

Crater Lake National Park, Oregon. Cleetwood flow. Circa 1901.

Categories: Image; Tags: Crater Lake National Park, National Parks, photo print

End of moraine, head of Anna Creek. Crater Lake National Park, Oregon. n.d.

Album caption: End of moraine, head of Anna Creek. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Crater in Wizard Island. Crater Lake National Park, Oregon. circa 1901.

Album caption: Panorama of crater in Wizard Island. Crater Lake National Park, Klamath County, Oregon. ca. 1901. (Panorama with photo nos. 773 and 774)( djs00773, djs00774) Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... panorama, photo print, Fewer tags

Snow line marked by moss on trees, west base of Cinder Cone, Wizard Island. Crater Lake National Park, Oregon. n.d.

Album caption: Snow line marked by moss on trees, west base of Cinder Cone, Wizard Island. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

View from crater on Cinder Cone of Wizard Island. Crater Lake National Park, Oregon. n.d.

Album caption: View from crater on Cinder Cone of Wizard Island. Crater Lake National Park, Oregon. n.d. (Panorama with photo nos. djs00578, djs00579, and djs00580) Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... panorama, photo print, Fewer tags

Camp at Crater Lake. Crater Lake National Park, Oregon. n.d.

Album caption: Camp at Crater Lake. Crater Lake National Park, Oregon. n.d. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, Photographers, photo print

Glacial striae on rim of Crater Lake. Crater Lake National Park, Klamath County, Oregon. 1901.

Album caption: Glacial striae on rim of Crater Lake, 1 mile north of Victor Rock. Crater Lake National Park, Klamath County, Oregon. n.d. Index card: Glacial striae, rim of Crater Lake. Crater Lake National Park, Oregon. 1901.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park, Klamath County, Oregon, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

General view of western portion of Wizard Island, Victor Rock in foreground. Crater Lake National Park, Oregon. circa 1901.

Album caption: General view of western portion of Wizard Island, Victor Rock in foreground. Crater Lake National Park, Klamath County, Oregon. ca. 1901. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Llao Rock from water. Crater Lake National Park, Oregon. circa 1901.

Album caption: Llao Rock from water, on line with...Crater Lake National Park, Oregon. ca. 1901. Handwrtitten notes on album caption: Published as plate IX in U.S. Geological Survey. Professional paper 3. 1902. Index card unavailable.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park Collection, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

U.S. Geological Survey water gage placed near the site of Mazamas Society gage. Crater Lake National Park, Oregon. n.d.

Album caption: Gage at Nickerson Bolt, shore of Crater Lake. Crater Lake National Park, Oregon. n.d. No index card.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Crater Lake National Park, Oregon. Cleetwood Cove flow. Circa 1901. Plate 10-B, U.S. Geological Survey Professional paper 3.

Crater Lake National Park, Oregon. Cleetwood Cove flow. Circa 1901. Plate 10-B, U.S. Geological Survey Professional paper 3.

Categories: Image; Tags: Crater Lake National Park, National Parks, photo print

Inner slope of Crater Lake rim with a view of Glacier Peak in the distance. Crater Lake National Park, Klamath County, Oregon. No date.

Album caption: Inner slope of rim seen looking northwest of Wizard Island. Glacier Peak in the distance. Crater Lake National Park, Klamath County, Oregon. n.d. Index card: Inner slope Crater Lake rim and Glacier Peak. Crater Lake National Park, Oregon.

Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Crater Lake National Park, Crater Lake National Park, Diller, J.S. Collection, National Parks, Photographers, All tags... photo print, Fewer tags

Total Mercury Concentrations in Dragonfly Larvae from U.S. National Parks (ver. 8.0, December 2022)

Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury Project (DMP). This data release supersedes Eagles-Smith, C.A., Nelson, S.J., Flanagan-Pritz, C.M., Willacker Jr., J.J., and Klemmer, A.J., 2018, Total Mercury Concentrations in Dragonfly Larvae from U.S. National Parks (ver. 7.0, October 2021): U.S. Geological Survey data release, https://doi.org/10.5066/P9TK6NPT. Please contact fresc_outreach@usgs.gov for access.

Categories: Data, Data Release - Revised; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Amistad National Recreation Area, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, All tags... Aquatic Biology, Assateague Island National Seashore, Battle Creek Cypress Swamp, Bear Creek Lake Park, Bear Meadows Natural Area, Big Bend National Park, Big Cypress National Preserve, Big Thicket National Preserve, Buffalo National River, Cape Cod National Seashore, Capitol Reef National Park, Carl Sandburg Home National Historic Site, Carlsbad Caverns National Park, Channel Islands National Park, Chattahoochee River National Recreation Area, Chickasaw National Recreation Area, City of Rocks National Reserve, Colorado National Monument, Congaree National Park, Crater Lake National Park, Craters of the Moon National Monument & Preserve, Cuyahoga Valley National Park, Death Valley National Park, Delaware Water Gap National Recreation Area, Denali National Park and Preserve, Devils Tower National Monument, East Inlet Natural Area-Connecticut Lakes Nature Preserve, Ecology, Ell Pond Preserve, Everglades National Park, Fort Larned National Historic Site, Fort Worth Nature Center and Refuge National Natural Landmark, Gateway National Recreation Area, Glacier Bay National Park & Preserve, Glacier National Park, Glen Canyon National Recreation Area, Golden Gate National Recreation Area, Grand Canyon National Park, Grand Portage National Monument, Grand Teton National Park, Great Basin National Park, Great Sand Dunes National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Hawaii Volcanoes National Park, Homestead National Monument, Horseshoe Bend National Military Park, Hot Springs National Park, Indiana Dunes National Park, Isle Royale National Park, Jean Lafitte National Historical Park and Preserve, John Day Fossil Beds National Monument, Joshua Tree National Park, Katahdin Woods and Waters National Monument, Katmai National Park and Preserve, Kenai Fjords National Park, Kenilworth Park & Aquatic Gardens, Klondike Gold Rush National Historical Park, Knife River Indian Villages National Historic Site, Lake Clark National Park and Preserve, Lassen Volcanic National Park, Lewis and Clark National Historical Park, Lilley Cornett Woods, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Maurice National Wild and Scenic River, Minute Man National Historical Park, Mississippi National River & Recreation Area, Monocacy National Battlefield, Montezuma Castle National Monument, Mount Rainier National Park, Natchez Trace Parkway and National Scenic Trail, New River Gorge National Park and Preserve, Niobrara National Scenic River, North Cascades National Park, Ocmulgee Mounds National Historical Park, Olympic National Park, Oregon Caves National Monument, Ozark National Scenic Riverway, Padre Island National Seashore, Petersburg National Battlefield, Pictured Rocks National Lakeshore, Pinnacles National Park, Pipestone National Monument, Prince William Forest Park, Pu'ukohola Heiau National Historic Site, Redwood National Park, Richmond National Battlefield Park, Rio Grande Wild & Scenic River, Rock Creek Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint Croix National Scenic Riverway, Saint-Gaudens National Historic Site, San Juan Island National Historical Park, Santa Monica Mountains National Recreation Area, Sequoia & Kings Canyon National Parks, Shenandoah National Park, Sleeping Bear Dunes National Lakeshore, Sudbury, Assabet & Concord Wild & Scenic Rivers, Tallgrass Prairie National Preserve, Timucuan Ecological Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), Upper Delaware Scenic and Recreational River, Valles Caldera National Preserve, Voyageurs National Park, Water Quality, Weir Farm National Historical Park, Wekiva Wild & Scenic River, White Mountain National Forest, Wildlife Biology, Wind Cave National Park, Women’s Rights National Historical Park, Yellowstone National Park, Yosemite National Park, Zion National Park, biota, environment, mercury contamination, Fewer tags