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Fallen sandstone block on creek, Ohio
Block of Mississippian Black Hand Sandstone, fallen from overhanging alcove on Old Man’s Creek, Hocking Hills State Park, Ohio (220606-49)
Download ImageCave eroded along fracture, central Ohio
Old Man’s Cave, eroded along a fracture in the Mississippian Black Hand Sandstone, Ohio. Note the honeycomb weathering (tafoni) on the left. (220606-36)
Download ImageCave eroded along fracture, Ohio (vertical)
Opening to Old Man’s Cave, eroded along a fracture in the Mississippian Black Hand Sandstone, central Ohio. (220606-35)
Download ImageNatural bridge in sandstone, Ohio (vertical)
Natural bridge eroded into Mississippian Black Hand Sandstone, near Rockbridge, Ohio (220606-27)
Download ImageNatural bridge eroded into sandstone, Ohio
Natural bridge eroded into Mississippian Black Hand Sandstone, near Rockbridge, Ohio (220606-26)
Download ImageWaterfall and plungepool on sandstone, central Ohio
Upper Falls and plungepool over Mississippian Black Hand Sandstone on Old Man’s Creek, near Old Man’s Cave, Ohio. (220606-14)
Download ImageCross-bedded Mississippian Black Hand Sandstone, Ohio
Cross-bedding in river-deposited Mississippian Black Hand Sandstone, Ohio (220606-9)
Download ImageOhio River and terraces, Ohio-Kentucky
Aerial view of Ohio river and stranded fluvial terraces, looking upriver Ohio-Kentucky. Kentucky on the right. (220605-43)
Download ImageOhio River and terraces, Ohio-Kentucky
Aerial view of Ohio river and stranded fluvial terraces, looking upriver Ohio-Kentucky. Kentucky on the right. (220605-40)
Download ImageWater tower, SW Ohio
Aerial view of water tower in residential area, SW Ohio (220605-37)
Download ImageMeander Bend, Great Miami River, Ohio
Aerial view of Meander Bend, Great Miami River, Ohio (220605-28)
Download ImageMeander Bend, Great Miami River, Indiana-Ohio
Aerial view of Meander Bend, Great Miami River, Ohio showing a point bar and cut bank. (220605-28)
Download ImageAgriculture and forest land, central Illinois, USA
Aerial view of Agriculture and forest land, central Illinois (220605-13)
Download Imageriver channel emptying into Great Salt Lake, Utah
Aerial view of salt-laden river channel emptying into Great Salt Lake, Utah (220605-6)
Download ImageWillamette River and Willamette Valley, Oregon
Aerial view of the Willamette River and Willamette Valley, Oregon, looking east. Harrisburg lies on the east bank near the center of the photo.
Download ImageHell’s Canyon, Idaho-Oregon (Vertical)
Aerial view of the Oxbow of the Snake River and Hell’s Canyon, Oregon-Idaho border. View northward, so Oregon lies on the left side. Oxbow Dam blocks the Snake River near the bottom of the photo. (220515-61)
Download ImageFault-bounded mountain front, Farmington, Utah (vertical)
Aerial view of the Wasatch Mountains, a fault-bounded range, and Farmington, Utah (just north of Salt Lake City) (220512-10)
Download ImageSalt evaporators, Great Salt Lake, Utah
Salt evaporators, Great Salt Lake, Utah (220512-1)
Download ImageOverturned Anticline, Death Valley, CA
Overturned Anticline. Titus Canyon Anticline. Death Valley National Park, California. The prominent red rock in the right-center of the photo is the Cambrian Zabriskie Quartzite. To the left (west) is overturned Cararra and Bonanza King Formations. (SrD-10)
Download ImageMudcracks in siltstone (Vertical)
Mudcracks in Proterozoic (late Precambrian) siltstone of the Stirling Quartzite. Photo is about 10 cm wide (IP2204-90)
Download ImageMudcracks and lake, SE Cal (Vertical)
Mudcracks and desert lake, Crystal Reservoir, ASh Meadows, Amargosa Valley SE California 220423-16)
Download Image
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