rwgabbro1: A Canyon in Shale: The Gorge at Watkins Glen State Park, New York, USA
rwgabbro1: The Canyonlands of France, Part 1: The Var River Winds through the Daluis Gorge (Gorges de Daluis), Maritime Alps
rwgabbro1: Homage to the Basin and Range Province, Part 3: The Santana Bolson, Big Bend Ranch State Park, Texas, Mexico-USA Border
rwgabbro1: Santa Elena Canyon View 2 | Big Bend National Park, Texas, USA
rwgabbro1: Santa Elena Canyon View 1 | Big Bend National Park, Texas, USA
rwgabbro1: Peaceable Kingdom: A Downstream View of the Connecticut River from Mount Sugarloaf, South Deerfield, Massachusetts, USA
rwgabbro1: Through the Mist and Spray, Part 1: The High Falls of the Pigeon River, Grand Portage State Park, Minnesota, USA
rwgabbro1: The Giant's Bathtub, Matthiessen State Park, Illinois, USA
rwgabbro1: Natural Bridge and Cedar Creek, Natural Bridge State Park, Virginia, USA
rwgabbro1: Bedrock Island in the St. Louis River, Jay Cooke State Park, Minnesota, USA
rwgabbro1: Geologizing a Cuesta, Part 4: A Stream in the Shawangunk Formation, Shawangunk Ridge, New York, USA
rwgabbro1: Father of the Waters, Part 1: Fons Sum et Origo; the Source of the Mississippi River, Itasca State Park, Minnesota, USA
rwgabbro1: Headward-Eroded Hanging Valley with Exfoliation Joints: Taughannock Falls State Park, New York, USA
rwgabbro1: Rocks of Little Rhody, Part 4: Rock Meets Ocean: The Mouth of Purgatory Chasm, Middletown, Rhode Island, USA
rwgabbro1: The Father of the Waters, Part 2: A June View from Mississippi Palisades State Park, Illinois, USA
rwgabbro1: Rocks of Little Rhody, Part 5: A Joint-Controlled Stream Incised in the Purgatory Conglomerate, Purgatory Chasm, Middletown, Rhode Island, USA
rwgabbro1: The Canyonlands of France, Part 3: Pronounced Jointing in Permian Red Beds, Daluis Gorge, Maritime Alps
rwgabbro1: The Bounty of Bell Smith Springs, Part 7: Slump Blocks in Bay Creek and Dripping Canyon Wall, Shawnee National Forest, Illinois, USA
rwgabbro1: Geologizing in an Anthropogenic Canyon, Part 1: The Corinth Canal, Isthmus of Corinth, Greece
rwgabbro1: The Father of the Waters, Part 3: A Spring-Freshet View from Mississippi Palisades State Park, Illinois, USA
rwgabbro1: The Father of the Waters, Part 4: Another Spring-Freshet View from Mississippi Palisades State Park, Illinois, USA
rwgabbro1: Geologizing in an Anthropogenic Canyon, Part 2: The Corinth Canal, Isthmus of Corinth, Greece
rwgabbro1: Geologizing in an Anthropogenic Canyon, Part 3: The Corinth Canal, Isthmus of Corinth, Greece
rwgabbro1: Santa Elena Canyon View 3 | Big Bend National Park, Texas, USA
rwgabbro1: Santa Elena Canyon View 4 | Big Bend National Park, Texas, USA
rwgabbro1: The View from Inspiration Point, Part 2: LaRue Swamp and the Mississippi River Floodplain, LaRue-Pine Hills Section, Shawnee National Forest, Illinois, USA
rwgabbro1: Santa Elena Canyon View 10: A Second Look at an Unusual Bromeliad | Big Bend National Park, Texas, USA
rwgabbro1: Santa Elena Canyon View 12: A Mid-Channel Bar in the Rio Grande | Big Bend National Park, Texas, USA
rwgabbro1: Santa Elena Canyon View 14: It's Definitely My Fault | Big Bend National Park, Texas, USA
rwgabbro1: Through the Mist and Spray, Part 2: The High Falls of the Pigeon River, Grand Portage State Park, Minnesota, USA