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rwgabbro1: Concretology, Part 3: The Baha'i House of Worship, Wilmette, IllinoIs, USA (1953)
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rwgabbro1: Concretology, Part 2: The Baha'i House of Worship, Wilmette, IllinoIs, USA (1953)
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rwgabbro1: Concretology, Part 1: Eastern Gallery, Quadracci Pavilion, Milwaukee Art Museum, Milwaukee, Wisconsin, USA (2001)
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rwgabbro1: Concretology, Part 4: The Wright Way of Using Concrete, the Unity Temple, Oak Park, Illinois, USA (1908)
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rwgabbro1: Concretology, Part 5: Detail of the Unity Temple, Oak Park, Illinois, USA (1908)
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rwgabbro1: Concretology, Part 6: Close-Up of the Unity Temple, Oak Park, Illinois, USA (1908)
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rwgabbro1: Colosseum Geology 101, Part 3: The Flavian Amphitheater, Rome, Italy (AD 80)
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rwgabbro1: Colosseum Geology 101, Part 4: The Flavian Amphitheater, Rome, Italy (AD 80)
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rwgabbro1: Colosseum Geology 101, Part 5: The Flavian Amphitheater, Rome, Italy (AD 80)
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rwgabbro1: Geology of the Architecturally Sublime, Part 1: The Hagia Sophia, Istanbul, Turkey (537 AD; repairs and additions in succeeding centuries)
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rwgabbro1: Milwaukee in Stone and Clay: A Guide to the Cream City's Architectural Geology (NIU Imprint of Cornell University Press)
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rwgabbro1: A Geology Guidebook Author's Dream Come True . . .
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rwgabbro1: Celebrating the Cream City's Urban Geology: Milwaukee in Stone and Clay (2024)
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rwgabbro1: For Your Delectation: A Photo Show and a Radio Interview
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rwgabbro1: Geology of Fieldstone & Cobblestone Buildings, Part 21: Boulders and Brutalism; Central United Methodist Church, Milwaukee, Wisconsin, USA (1980)
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rwgabbro1: The Brownstone Chronicles, Part 32: The Wages of Weathering | Hotchkiss Hall, Lake Forest College, Lake Forest, Illinois, USA (1891)