In Tide Lines: A Photographic Record of Louisiana’s Disappearing Coast, Ben Depp’s photographs capture the beauty, complexity, and rapid destruction of south Louisiana. Once formed by sediment deposited by the Mississippi River, the Louisiana coast is now quickly eroding. Two thousand square miles of wetlands have returned to open water over the past eighty years. Depp’s photographs communicate weather and seasonal changes—like the shifting high-water line, color temperature, and softness of light. A careful observer will notice coastal flora and distinguish living cypress trees...