Bright, clear turquoise waters of a shallow tropical sea or lagoon with white sandy beach and green vegetation under a blue sky with scattered clouds
Education + Training / Historic + Landmark Projects

Indiana Limestone: The Beginning

During the Mississippian Period (359–318 million years ago), a shallow inland sea covered much of what is now the Ohio valley of North America. These warm, tropical waters teemed with life, hosting an array of invertebrate organisms that extracted calcium carbonate from the seawater to form their shells and skeletons. Bryozoans, brachiopods, corals, and echinoderms (especially crinoids) were abundant in …

Architecture / Biophilic Design

Indiana Limestone – The Natural Choice

Biophilic design is about creating spaces that strengthen our connection to the natural world. Complementing light, water & vegetation, natural stone remains one of the most powerful tools in the architect’s palette. Stone tells the story of the land. Its textures, tones, and patterns formed over millions of years, bring authenticity and permanence to the built environment. In public spaces, …