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Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 4.0, April 2023) (Under Revision) Note: this data release is currently being revised and is temporarily unavailable. This data release is a compilation of the locations of airborne geophysical surveys in the United States. The inventory documents public airborne geophysical surveys primarily flown by or contracted by the USGS from 1943 to present. In addition, surveys from the State of Alaska, Department of Natural Resources, Division of Geological and Geophysical Surveys (DGGS): Airborne GeophysWeb, the Bureau of Land Management, the Department of Energy and other state agencies have also been included. The surveys have contributed to studies under USGS programs including Water, Geologic Mapping, Minerals, Energy, Environmental Health, Ecosystems,... Categories: Data, Data Release - Under Revision; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Alaska, Arizona, Arkansas, California, All tags... Colorado, Connecticut, Delaware, District of Columbia, Earth MRI, Florida, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, MRP, Maine, Maryland, Massachusetts, Michigan, Mineral Resources Program, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, USGS Science Data Catalog (SDC), Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, frequency-domain, geophysical, geophysics, geoscientificInformation, geospatial datasets, gravitational field (earth), resistivity, time-domain, Fewer tags Geospatial mapping products derived from 2018, 2020, and 2022 NAIP aerial imagery for the Scotts Creek Watershed, Lake County, CA The USGS, in cooperation with the U.S. Bureau of Land Management (BLM), created a series of geospatial mapping products of the Scotts Creek Watershed in Lake County, California, using National Agriculture Imagery Program (NAIP) imagery from 2018, 2020 and 2022 and Open Street Map (OSM) from 2019. The imagery was downloaded from United States Department of Agriculture (USDA) - Natural Resources Conservation Service (NRCS) Geospatial Data Gateway (https://datagateway.nrcs.usda.gov/) and Geofabrik GmbH - Open Street Map (https://www.geofabrik.de/geofabrik/openstreetmap.html), respectively. The imagery was classified using Random Forest (RF) Modeling to produce land cover maps with three main classifications - bare,... Tags: California, Lake County, Land Use Change, Remote Sensing, Scotts Creek, All tags... South Cow Mountain, USGS Science Data Catalog (SDC), Water Resources, aerial photography, elevation, freshwater ecosystems, geoscientificInformation, inlandWaters, land use and land cover, modeling, natural resource management, remote sensing, river systems, Fewer tags Contemporary fire history metrics for the conterminous United States (1984-2023) (ver. 3.0, April 2024) Fire history metrics enable rapidly increasing amounts of burned area data to be collapsed into a handful of data layers that can be used efficiently by diverse stakeholders. In this effort, the U.S. Geological Survey's Landsat Burned Area product was used to identify burned area across CONUS over a 40-year period (1984-2023). The Landsat BA product was consolidated into a suite of annual BA products, which in-turn were used to calculate a series of contemporary fire history metrics (30 m resolution). Fire history metrics included: (1) fire frequency (FRQ), (2) time since last burn (TSLB) and (3) year of last burn (YLB), (4) longest fire-free interval (LFFI), and (5) average fire interval length (FIL). All metrics... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Landsat, USGS Science Data Catalog (SDC), United States, burned area, fire frequency, All tags... fire regime, fire return interval, historic fire, land ownership, wildland fire, Fewer tags Subaerially exposed river sand and reservoir shoreline modelling for Lake Powell releases and changes in Lake Powell and Lake Mead storage These data were compiled to evaluate impacts of different reservoir management scenarios on sand exposure for aeolian landscape and cultural site resources. Objective of our study was to predict areas of dry, bare Colorado River sand as a function of different management alternative scenarios. These data represent predictions of dry, bare sand for the reach of the Colorado River between Glen Canyon Dam and Bright Angel Creek in Grand Canyon National Park. These data were created during 2023 by the U.S. Geological Survey, Southwest Biological Science Center, Grand Canyon Monitoring and Research Center. These data can be used to understand how the area of sand available for windblown transport might be impacted different... Tags: Arizona, Coconino County, Colorado River, Ecology, Geography, All tags... Geomorphology, Glen Canyon, Glen Canyon Dam, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Sedimentology, USGS Science Data Catalog (SDC), Water Resources, aeolian, archaeology, cultural, dam, data release, freshwater ecosystems, geomorphology, geoscientificInformation, inlandWaters, modeling, reservoir, river systems, sand deposits, sedimentation, subaerial, unconsolidated deposits, Fewer tags Appendix B - Line lengths for crack stations in Nāpau Crater An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Transmitted and induced very-low-frequency (VLF) magnetic fields were measured with a handheld VLF receiver along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. This dataset records the distance between sets of nails spanning ground cracks at discrete locations in Nāpau Crater, installed in 1997 as "crack stations" to monitor change. See fig. B-1 in the associated publication for a map of crack... Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Hawaii, Hawaii Volcanoes National Park, All tags... Island of Hawaiʻi, Kīlauea, Nāpau Crater, Puʻuʻōʻō, State of Hawaii, dike, eruption, field inventory and monitoring, geoscientificInformation, ground crack, intrusion, volcanic activity, volcanology, Fewer tags Ground crack, VLF measurement, and sample vesicularity data for the June 2007 Father's Day eruption, Kīlauea Volcano An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Electromagnetic profiles using the very-low-frequency (VLF) technique (McNeill and Labson, 1991) were measured along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. The locations of crack zones and the VLF receiver measurements suggest that the Father’s Day dike splayed as it approached the surface, dividing into four segments—one between Pauahi Crater and Pu‘uhuluhulu and three en echelon... Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Island of Hawaiʻi, Kānenuiohamo, All tags... Kīlauea, Puʻuʻōʻō, State of Hawaii, USGS Science Data Catalog (SDC), Volcanology, dike, eruption, geoscientificInformation, ground crack, intrusion, Fewer tags Appendix D - VLF measurement data for the June 2007 Father's Day dike intrusion and eruption, Kīlauea Volcano An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Transmitted and induced very-low-frequency (VLF) magnetic fields were measured with a handheld VLF receiver (e.g., McNeill and Labson 1991) along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. This dataset records measurements collected using a Geonics Limited EM16 very low frequency (VLF) electromagnetic receiver along eight transects across and perpendicular to the presumed trace of the 2007... Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Hawaii, Hawaii Volcanoes National Park, All tags... Island of Hawaiʻi, Kānenuiohamo, Kīlauea, Puʻuʻōʻō, State of Hawaii, dike, eruption, field inventory and monitoring, geoscientificInformation, ground crack, intrusion, volcanic activity, volcanology, Fewer tags Appendix A - Ground crack measurement data for the June 2007 Father's Day dike intrusion and eruption, Kīlauea Volcano An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Transmitted and induced very-low-frequency (VLF) magnetic fields were measured with a handheld VLF receiver along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. This dataset records the location, trend, width, and opening direction of a subset of new cracks formed during the June 2007 Father's Day dike intrusion and eruption. Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Hawaii, Hawaii Volcanoes National Park, All tags... Island of Hawaiʻi, Kānenuiohamo, Kīlauea, Puʻuʻōʻō, State of Hawaii, dike, eruption, field inventory and monitoring, geoscientificInformation, ground crack, intrusion, volcanic activity, volcanology, Fewer tags Dissolved oxygen predictions for releases from Lake Powell under different management scenarios for Lake Powell releases Dissolved oxygen estimates were generated to help understand how different alternative management scenarios may affect the likelihood of low dissolved oxygen in Glen Canyon Dam releases. The study aimed to examine the effects of different management alternatives on late summer and early fall dissolved oxygen concentrations in Glen Canyon Dam releases. The estimates represent estimates of dissolved oxygen concentration in Glen Canyon Dam releases between August and October of a given year. These estimates were generated using data collected in Lake Powell reservoir as part of a long-term inter-agency water quality monitoring program conducted by the Bureau of Reclamation, the National Park Service, and the U.S. Geological... Tags: Arizona, CTD measurement, Coconino County, Colorado River, Ecology, All tags... Geochemistry, Geography, Glen Canyon, Glen Canyon Dam, Glen Canyon Dam National Recreation Area, Grand Canyon, Hydrology, Information Sciences, Lake Powell, Limnology, USGS Science Data Catalog (SDC), Wahweap Bay, Water Quality, Water Resources, arid reservoir, data release, dissolved oxygen, environment, eutrophication, field inventory and monitoring, field monitoring stations, freshwater ecosystems, inlandWaters, oxygen content (water), surface water quality, Fewer tags Quaternary gravel resting on eroded surface of the lower part of the Tullock member of the Lance formation on Box Elder Creek. Treasure County, Montana. 1912. Quaternary gravel resting on eroded surface of the lower part of the Tullock member of the Lance formation on Box Elder Creek, Sec. 13, T. 5 N., R. 35 E., this gravel covers the main divides and higher hills in the northern part of the Tullock Creek field. Where it reaches a maximum thickness of 90 feet, though unconsolidated in some localities, in others it is a conglomerate, as shown in this view. Treasure County, Montana. 1912. Published as Plate 7-A in U.S. Geological Survey Bulletin 749. 1923. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Photographers, Rogers, G.S. Collection, Treasure County, Montana, photo print Watahomigi Formation and Manakacha Formation in Havasu Canyon. Grand Canyon National Park, Coconino County, Arizona. No date. Album caption and index card: The Watahomigi and Manakacha Formations in Grand Canyon region, Arizona. B, Watahomigi slope between cliffs of Manakacha, above, and Redwall, below; Havasu Canyon. Grand Canyon National Park. Coconino County, Arizona. n.d. Portion published as Figure C5-B in U.S. Geological Survey Professional Paper 1173. 1982. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Coconino County, Arizona, Grand Canyon National Park Collection, McKee, E.D. Collection, National Parks, Photographers, All tags... photo print, Fewer tags South wall of Purgatoire Canyon near Sopris. Las Animas County, Colorado. 1909. South wall of Purgatoire Canyon near Sopris: a general view showing the Raton basal conglomerate, the unconformity between a coal bed and Vermejo formation. Las Animas County, Colorado. 1909. Plate 13-A, with graphics, in U.S. Geological Survey Professional Paper 101. 1917. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Las Animas County, Colorado, Lee, W.T. Collection, Photographers, photo print Intense soft-sediment deformation at Granite Park. Glacier National Park, Montana. 1982. Glacier National Park, Montana. Intense soft-sediment deformation produced during pillow emplacement at Granite Park. The pillow in the lower right corner is entirely buried. The basal contact of the Purcell lava with the Snowslip Formation is, thus, locally very irregular. 1982. Figure 9-B, U.S. Geological Survey Open-File Report 85-543. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Glacier National Park, Glacier National Park, Montana, National Parks, color transparency (slides) Crossbedded sandstone in Monogahela formation, on tram road to Tyson vein, 1 mile north of Lonaconing (B 71). Maryland. No date. Crossbedded sandstone in Monogahela formation, on tram road to Tyson vein, 1 mile north of Lonaconing (B 71). Frostburg quadrangle. Maryland. No date. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Maryland, photo print Miocene, Pliocene and Pleistocene formations at Malaga Cove. Los Angeles County, California. 1930. Miocene, Pliocene and Pleistocene formations at Malaga Cove: Repetto siltstone (lower Pliocene) on south limb of northern syncline. Arrow points (on published photo) upper right side of this photo; to lower bed of volcanic ash. Note seated men at foot of cliff, which is 150 feet high. Los Angeles County, California. 1930. Plate 12-C, U.S.Geological Survey Professional Paper 207. 1946. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Los Angeles County, California, photo print Red and white beds of the Furnace Creek Formation, viewed from Zabriskie Point. Death Valley National Park, California. 1940. Death Valley National Park, California. Red and white beds of the Furnace Creek Formation, viewed from Zabriskie Point. Panamint Range in the distance. 1940. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Death Valley National Park, Death Valley National Park, California, National Parks, photo print Hurrican Cliffs looking north from "Toquerville Gap" along line of fault. Washington County, Utah. No date. Hurrican Cliffs looking north from "Toquerville Gap" along line of fault. Kaibab limestone on right; Moenkopi formation (Shnabkaib member) upturned in left foreground. Washington County, Utah. n.d. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gregory, H.E. Collection, Photographers, Washington County, Utah, photo print Sage brush flat on Hans Creek, and bluffs of the Fort Union formation. Dunn County, North Dakota. 1913. Sage brush flat on Hans Creek, and bluffs of the Fort Union formation. Dunn County, North Dakota. 1913. Plate 22-A in U.S. Geological Survey Bulletin 726. 1922. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bauer, C.M. Collection, Dunn County, North Dakota, Photographers, photo print Folded beds of Totoralillo Formation (Lower Cretaceous). Quebrada de Las Penas. Atacama Province, Chile. No date. Folded beds of Totoralillo Formation (Lower Cretaceous). Quebrada de Las Penas. Atacama Province, Chile. No date. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chile, International, photo print Limy sandstone concretions, Wasatch Formation. Powder River Basin, Wyoming. Circa 1953. Limy sandstone concretions, Wasatch Formation. Powder River Basin. Wyoming. ca. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: McKay, E.J. Collection, Photographers, Powder River Basin, Wyoming, color transparency (slides) « 1 2 3 4 5 »