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Album Caption: Grand Canyon of the Colorado River, Arizona. Looking up the canyon, from above O'Neil's point. 1903. Panorama with cmr00333.
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Album Caption: Grand Canyon of the Colorado River, Arizona. Looking into the canyon from Bright Angel Trail just above Red Wall. 1903.
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Album Caption: Grand Canyon of the Colorado River, Arizona. View of Bright Angel Hotel from the west. Panorama with cmr00334.
This dynamic data release presents an aquatic reflectance product with 20-meter spatial resolution derived from Sentinel-2 satellite imagery for the conterminous United States using the Atmospheric Correction for OLI “lite” (ACOLITE). Aquatic reflectance, noted Rhow in ACOLITE documentation, is defined here as unitless water-leaving radiance reflectance and represents the ratio of water-leaving radiance (units of watts per square meter per steradian per nanometer) to downwelling irradiance (units of watts per square meter per nanometer) multiplied by π. This is also known as remote sensing reflectance (units of per steradian) multiplied by π. These data are intended for use in remote sensing of water color and differ...
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Album caption and index card: Two ledges of basalt spectacularly exposed in the east wall of the Grand Canyon of the Yellowstone at The Narrows near Tower Falls. The light-colored rocks between the basalt flows are ancient stream gravels deposited about 1.5 million years ago, when the channel of the Yellowstone River was farther east and not as deep as it is today. The hill is capped by lake sediments, sand, and gravel deposited when the Yellowstone River was blocked by a glacial dam farther downstream (to the left). The brown rocks at the base of the cliff are Absaroka andesite breccias. Yellowstone National Park, Wyoming. 1970. Published as a portion of Figure 33 (upper photo) in U.S. Geological Survey Bulletin...
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The Alaska Trumpeter Swan Survey was an aerial survey conducted by the U.S. Fish and Wildlife Service, Division of Migratory Bird Management, Alaska Region (MBM-AK) and partners to monitor the status of trumpeter swans (Cygnus buccinator) in Alaska. It was first conducted in 1968 and then repeated at five-year intervals from 1975 through 2015. The objectives of the survey were to estimate the abundance, distribution (1968–2005 only), and productivity of trumpeter swans in late summer, when the swans were dispersed on breeding territories and cygnets were large enough to be easily counted from the air. Estimates were obtained for the abundance of white swans (swans >1 year old), cygnets, and total swans, as well...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, All tags...
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PI-CASC regularly interacts with a diverse and extensive network of stakeholder organizations at federal, territory, state, county, and local levels across the Pacific Region, supporting communication and iterative problem solving between researchers, managers, and decision makers. In addition to these partnerships, PI-CASC has two important ongoing collaborative initiatives. Pacific Islands-Alaska CASC collaboration The PI-AK CASC collaboration is aimed at bringing together scientist and resource managers from the Pacific and Alaska regions to share insights on related climate adaptation challenges in Ridge-to-Reef (R2R) and Icefield-to-Ocean (I2O) ecosystems. Similarities in landscapes and communities in these...
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Album Caption: Grand Canyon of the Colorado River, Arizona. Looking into the canyon from a place between Sentinel Point and Bright Angel Hotel. 1903.
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Album Caption: Grand Canyon of the Colorado River, Arizona. View from near Bright Angel Hotel, looking up the canyon at O'Neil's Point. 1903.
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This data release contains the model inputs, outputs, and source code (written in R) for a redeveloped PRObability of Streamflow PERmanence (PROSPER) model (version 2.1) that had previously been developed for the Pacific Northwest Region (PROSPER_PNW_2), and a raster data set which shows where influential predictor values were outside the range of calibration data. The PROSPER-PNW version 2.1 model, a random forest model, was redeveloped in the Ranger R package using all the original model inputs consistent with PROSPER_PNW_2 to produce annual streamflow permanence probabilities for calendar years 2004-2016 at a 30-meter stream grid resolution that approximately corresponds to flowlines consistent with the National...
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Album caption: North Fork American River, Calif., view below the mouth of Palisade Creek, taken spring 1912 by T.P. Pendleton when making profile survey. Handwritten notes on album caption: Truckee quad, Calif., Placer County Index card: North Fork American River below Palisade Creek. Placer County, California. 1912.
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Album Caption: Grand Canyon of the Colorado River, Arizona. Bright Angel Trail in the granite. Some contorted Algonkian rocks visible in the middle distance. 1903.
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Album Caption: Grand Canyon of the Colorado River, Arizona. View from Bright Angel Trail showing the Tonto Platform, Vishnus Temple in the distance. 1903.
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U.S. Fish and Wildlife Service Alaska Region Migratory Bird Mangement ScienceBase data release homepage
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Album caption: Downstream from right bank at dam site (12JC 2) mile 40.8 below Salmon. Lemhi County, Idaho. August 1921. Index card: Downstream from right bank (at Salmon River) at dam site (12JC 2) mile 40.8 below Salmon. Lemhi County, Idaho. August 1921. (View includes geologist carrying instrument over trail at right edge of photo).


map background search result map search result map Grand Canyon National Park, Arizona, from O'Neil's Point. 1903. Grand Canyon National Park, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Bright Angel Canyon, Grand Canyon National Park, Coconino County, Arizona. Circa 1946. Palisade Creek, viewed below its mouth. Placer County, California. 1912. Right bank at dam site, Salmon River. Lemhi County, Idaho. 1921. Two ledges of basalt spectacularly exposed in the east wall of the Grand Canyon of the Yellowstone at The Narrows near Tower Falls. Yellowstone National Park, Wyoming. 1970. Regional Collaborations Sentinel-2 ACOLITE-DSF Aquatic Reflectance for the Conterminous United States (updated 2025-02-12) Region 7 U.S. Fish and Wildlife Service Migratory Bird Management Probability of Streamflow Permanence (PROSPER) Model version 2.1 Output Layers for the Pacific Northwest region, 2004 - 2016 Alaska Trumpeter Swan Survey Palisade Creek, viewed below its mouth. Placer County, California. 1912. Grand Canyon National Park, Arizona, from O'Neil's Point. 1903. Grand Canyon National Park, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Grand Canyon of the Colorado River, Arizona. 1903. Right bank at dam site, Salmon River. Lemhi County, Idaho. 1921. Bright Angel Canyon, Grand Canyon National Park, Coconino County, Arizona. Circa 1946. Two ledges of basalt spectacularly exposed in the east wall of the Grand Canyon of the Yellowstone at The Narrows near Tower Falls. Yellowstone National Park, Wyoming. 1970. Probability of Streamflow Permanence (PROSPER) Model version 2.1 Output Layers for the Pacific Northwest region, 2004 - 2016 Alaska Trumpeter Swan Survey Region 7 U.S. Fish and Wildlife Service Migratory Bird Management Sentinel-2 ACOLITE-DSF Aquatic Reflectance for the Conterminous United States (updated 2025-02-12) Regional Collaborations