Aktuális sajtó tartalmak és illusztrációs fotók

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Peyote Cactus, Lophophora williamsii, Cactaceae. Mexico and south Texas, North America. The peyote (Lophophora williamsii) is a small, spineless cactu-stock-foto
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Peyote Cactus, Lophophora williamsii, Cactaceae. Mexico and south Texas, North America. The peyote (Lophophora williamsii) is a small, spineless cactu-stock-foto
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Agave lechuguilla, commonly known as small-leaf agave or lechuguilla, growing at the San Antonio Botanical Gardens.-stock-foto
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Common Sotol Plant with Leaves in Texas Desert (Dasylirion wheeleri)-stock-foto
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Mexican Lime Cactus or Mexican Fire Barrel, Ferocactus pilosus, Cactaceae. North East Mexico.-stock-foto
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Riparian woodland at Rio Grande, Sierra de San Vicente in Mexico in dist, view from La Clocha campsite off River Road, Big Bend Nat Park, Texas, USA-stock-foto
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Steep canyon walls and tributary gullies are seen in this vertical aerial photograph of the Rio Grande corridor in southern Texas. Captured by the U.S. Geological Survey in 1946 as frame (1-V27), the image reveals intricate erosion patterns in the Chihuahuan Desert’s mountainous landscape.-stock-foto
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This 1946 U.S. Geological Survey aerial photograph captures the Rio Grande flowing through wide desert valleys and steep escarpments east of the Chisos Mountains. Taken from flight frame (1-R37), the image highlights erosion patterns and alluvial deposits shaping the U.S.-Mexico border region.-stock-foto
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A sweeping aerial view of a large meander in the Rio Grande, photographed in 1946 by the U.S. Geological Survey during a topographic mapping mission. Frame (1-R39) captures the dynamic fluvial geomorphology in the lowlands east of Big Bend, where the river shifts course across the arid basin.-stock-foto
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Aerial view of the rugged terrain along the Rio Grande in West Texas, photographed by the U.S. Geological Survey in 1946. The winding river cuts through deep canyons near Big Bend National Park, as captured in flight frame (1-L26). This image documents topographic features used for mid-20th-century mapping.-stock-foto
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A high-altitude view of the rugged terrain surrounding the Rio Grande. Shot from an Army reconnaissance plane, the image reveals fractured earth patterns and erosion channels typical of the southwestern U.S.-stock-foto
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An oblique aerial image taken in July 1946 shows the Rio Grande snaking across vast stretches of rural land, its curves and oxbows standing out against the patchwork of agriculture below.-stock-foto
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The meandering Rio Grande twists like a ribbon across the landscape in this vertical aerial image taken by the U.S. Geological Survey. Farmlands and river terraces are clearly visible.-stock-foto
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A stunning perspective of the Rio Grande basin from the air, with cloud cover casting shadows over the braided river system and surrounding terrain. Photo taken during a U.S. Army reconnaissance flight.-stock-foto
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This bird’s-eye view captures the Rio Grande’s winding course through the plains of the Southwest, with its dynamic path cutting through cropland and arid hillsides.-stock-foto
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In this 1946 USGS image, the Rio Grande forms pronounced loops as it navigates sharp elevation changes and geological features in a remote stretch of the river valley.-stock-foto
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Taken from high altitude, this vertical aerial photo shows the serpentine course of the Rio Grande as it winds through hilly farmland. Terraces and cultivated fields border the riverbanks.-stock-foto
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Intricate patterns of silt and sediment trace the flow of the Rio Grande delta in this oblique aerial photo from 1946. Channels, estuaries, and barrier islands appear along the Gulf of Mexico coastline.-stock-foto
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This 1946 aerial image highlights the dramatic bends and oxbows of the Rio Grande as it cuts through agricultural fields and rugged terrain. The sharp curves illustrate the river’s powerful erosive forces.-stock-foto
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A sweeping aerial view of the Rio Grande and its surrounding floodplains, captured by the U.S. Geological Survey on March 28, 1946. Meandering river channels and sediment deposits are visible near the Gulf Coast.-stock-foto
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Major deserts of North America, political map, located in Western USA and Northern Mexico. Great Basin, Mojave, Sonoran, and Chihuahuan deserts.-stock-foto
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Ruins at Fort Selden Historic Site, US Army post, 1865, in Mesilla Valley near Radium Springs, New Mexico, USA-stock-foto
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Ruins at Fort Selden Historic Site, US Army post, 1865, in Mesilla Valley near Radium Springs, New Mexico, USA-stock-foto
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Old wagon, ruins at Fort Selden Historic Site, US Army post, 1865, in Mesilla Valley near Radium Springs, New Mexico, USA-stock-foto
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Old wagon, ruins at Fort Selden Historic Site, US Army post, 1865, in Mesilla Valley near Radium Springs, New Mexico, USA-stock-foto
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Ruins at Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas, USA-stock-foto
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Ruins of three main condensers over calcite tailings at Mariscal Mine,  operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas-stock-foto
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Ruins of three main condensers over calcite tailings at Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas-stock-foto
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Ruins of three main condensers over calcite tailings at Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas-stock-foto
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Ruins of three main condensers at Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas, USA-stock-foto
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Remains of mining equipment at ruins of Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend National Park, Texas, USA-stock-foto
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Chisos Mountains, distant view from ruins of Johnson Ranch on River Road, Chihuahuan Desert, Big Bend National Park, Texas, USA-stock-foto
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Chisos Mountains, distant view from ruins of Johnson Ranch on River Road, Chihuahuan Desert, Big Bend National Park, Texas, USA-stock-foto
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Remains of stone wall at Johnson Ranch, Chisos Mountains in distance, River Road, Chihuahuan Desert, Big Bend National Park, Texas, USA-stock-foto
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Remains of stone wall at Johnson Ranch, Chisos Mountains in distance, River Road, Chihuahuan Desert, Big Bend National Park, Texas, USA-stock-foto
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Prickly pear cactus at rock house ruins, near Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas, USA-stock-foto
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Prickly pear cactus at rock house ruins, near Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas, USA-stock-foto
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Prickly pear cactus near ruins of Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas, USA-stock-foto
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Wrecked car remnants near ruins of Mariscal Mine, operating 1900-1943, River Road, Chihuahuan Desert, Big Bend Natl Park, Texas, USA-stock-foto
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Calcite veins in clay hills, River Road, near Mariscal Mine, Chihuahuan Desert, Big Bend National Park, Texas, USA-stock-foto