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Speleothems in Carbonate Rock of the Ordovician Sinnipee Group, Cave of the Mounds, Blue Mounds, Wisconsin, USA
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Banded Iron Formation (BIF) of the Soudan Iron Formation, Lake Vermilion-Soudan Underground Mine State Park, Minnesota, USA
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Cliff Face of the Pounds Sandstone Member, Caseyville Formation, Ferne Clyffe State Park, Illinois, USA
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Outcrop and Boulders of the York Haven Diabase, the Devil's Den, Gettysburg National Military Park, Pennsylvania, USA
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The Bounty of Bell Smith Springs, Part 1: Under the Natural Bridge, Bell Smith Springs, Shawnee National Forest, Illinois, USA
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Geology with an Instamatic, Part 2: Rock Glacier above Lake Agnes, Never Summer Range, Rocky Mountain National Park, Colorado, USA
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Rocks of Little Rhody, Part 1: Atlantic Ocean Sea Mist over a Purgatory Conglomerate Outcrop, Purgatory Chasm Locale, Middletown, Rhode Island, USA
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Geologizing a Cuesta, Part 3: Conglomerate of the Middle Silurian Shawangunk Formation, Mohonk Preserve, Ulster County, New York
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Rocks of Little Rhody, Part 3: Detail of the Purgatory Conglomerate, Purgatory Chasm Locale, Middletown, Connecticut
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Geologizing a Cuesta, Part 2: Escarpment Face with Tilted Shawangunk Formation Strata, Shawangunk Ridge, New York, USA
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Exploring the Magic Circle, Part 4: Asymmetrical and Overturned Folds in the Caballos Novaculite and Adjacent Formations, Interior of the Solitario, Big Bend Ranch State Park, Texas, USA
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A Granitoid-State Summit View: Mount Cardigan, Cardigan Mountain State Forest, New Hampshire, USA
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In the Unlikely Event You Encounter an Architectural Geologist, Avoid Eye Contact and Walk Purposefully Away
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Geologizing a Cuesta, Part 1: The Trail between Shawangunk Formation Slump Blocks, Shawangunk Ridge, New York, USA
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Homage to the Basin and Range Province, Part 1: The Providence Mountains from Kelbaker Road, Mojave National Preserve, California, USA
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An Island of Life Amid Bare Rock: Near the Summit of Mount Cardigan, Cardigan Mountain State Forest, New Hampshire, USA
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Frosted Rocktripe (Umbilicaria americana) and Other Lichen Species, Mount Rose, Grand Portage National Monument, Minnesota, USA
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Homage to the Basin and Range Province, Part 2: The Providence Mountains from Kelbaker Road, Mojave National Preserve, California, USA
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Homage to the Basin and Range Province, Part 3: The Santana Bolson, Big Bend Ranch State Park, Texas, Mexico-USA Border
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Geology with an Instamatic, Part 3: The Nokhu Crags Arete, Never Summer Range, Rocky Mountain National Park, Colorado, USA
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Rocks of Little Rhody, Part 2: Another Look at the Purgatory Conglomerate, Purgatory Chasm Locale, Middletown, Rhode Island, USA
