rwgabbro1: Rocks of Little Rhody, Part 6: Outcrop of the Newport Neck Formation, Brenton Point State Park, Rhode Island, USA
rwgabbro1: One Section of the Grand Sable Dunes and the Lake Superior Coast, from the Log Slide Site, Pictured Rocks National Lakeshore, Michigan, USA
rwgabbro1: View of Shovel Point from Palisade Head, Tettegouche State Park, Minnesota, USA
rwgabbro1: Headlands in the Balearic Sea, Part 1: Cap de Formentor, Island of Mallorca, Spain
rwgabbro1: Headlands in the Balearic Sea, Part 2: Cap de Formentor, Island of Mallorca, Spain
rwgabbro1: Rocks of Little Rhody, Part 4: Rock Meets Ocean: The Mouth of Purgatory Chasm, Middletown, Rhode Island, USA
rwgabbro1: Rocks of Little Rhody, Part 5: A Joint-Controlled Stream Incised in the Purgatory Conglomerate, Purgatory Chasm, Middletown, Rhode Island, USA
rwgabbro1: A Strange Sort of Spring, Part 2: Diabase Outcrop on the Downeast Coast, Quoddy Head State Park, Maine, USA
rwgabbro1: Floating Worlds, Part 1: Spheroidally Weathered Variscan Granite on Land and in Sea, Maddalena Island, Sardinia, Italy
rwgabbro1: The Narrow Road through the Red Pines: A Stand of Pinus resinosa, Schoodic Point Unit, Acadia National Park, Maine, USA
rwgabbro1: Floating Worlds, Part 2: Spheroidally Weathered Variscan Granite on Land and in Sea, Maddalena Island, Sardinia, Italy
rwgabbro1: Floating Worlds, Part 3: Spheroidally Weathered Variscan Granite on Land and in Sea, Maddalena Island, Sardinia, Italy
rwgabbro1: Asymmetrical Ripple Marks on a Tidal Mudflat, Wellfeet, Cape Cod, Massachusetts, USA
rwgabbro1: A Strange Sort of Spring, Part 3: Snow-Clad Coniferous Woodland on a Diabase Headland, Quoddy Head State Park, Maine, USA
rwgabbro1: A Strange Sort of Spring, Part 4: Another Look at Snow-Clad Coniferous Woodland on a Diabase Headland, Quoddy Head State Park, Maine, USA
rwgabbro1: A Strange Sort of Spring, Part 5: The Start of a Challenging Life, Quoddy Head State Park, Maine, USA
rwgabbro1: A Strange Sort of Spring, Part 6: Mors et Vita, or the Brutal Cost of an Ocean View, Quoddy Head State Park, Maine, USA
rwgabbro1: A Strange Sort of Spring, Part 7: Game of the Spheres, Quoddy Head State Park, Maine, USA
rwgabbro1: A Strange Sort of Spring, Part 8: At Least Somebody's Photosynthesizing, Quoddy Head State Park, Maine, USA
rwgabbro1: The Bedrock-Architecture Connection of the Athens Region, Part 1: The Piraeus Limestone in Outcrop
rwgabbro1: Geology Underfoot in Illinois (Mountain Press, 1997)
rwgabbro1: Botany of the Carolinas Coastal Plain, Part 2: A Beauty of the Dunes, Fort Macon State Park, North Carolina USA
rwgabbro1: Botany of the Carolinas Coastal Plain, Part 10: The Salt Marsh's Dynamic Duo, Croatan National Forest, North Carolina USA
rwgabbro1: Botany of the Carolinas Coastal Plain, Part 11: More Inlet Ecology, Croatan National Forest, North Carolina USA
rwgabbro1: The Botany of Illinois Beach, Part 10: That Which Is Passed Away Shall Live Again; Northern Nature Preserve, Illinois Beach State Park, Illinois, USA
rwgabbro1: Geology of Minnesota's North Shore, Part 1: The View from Enger Tower, Enger Park, Duluth
rwgabbro1: A Love of Bridges, Part 1: An Introduction Putting Things in Their Proper Perspective; Aerial Lift Bridge, Duluth, Minnesota, USA (1905; converted to its current form in 1930)
rwgabbro1: The Botany of Illinois Beach, Part 11: King of the Great Lakes Dunelands; Northern Nature Preserve, Illinois Beach State Park, Illinois, USA
rwgabbro1: Geology of Minnesota's North Shore, Part 2: On the Beach of a Baymouth Bar, Duluth
rwgabbro1: Geology of Minnesota's North Shore, Part 3: At the Crest of a Dune; Duluth