A column of sunlight illuminates a diver in the diamond-clear waters of Blue Hole in North Florida’s Ichetucknee Springs State Park. Conservationists worry that Ichetucknee, one of the crown jewels of Florida's parks system, could become polluted by runoff far from the park's center.

Photo shot on assignment for, but not published in "Unlocking the Labyrinth of North Florida's Springs" March 1999, National Geographic magazine

北佛罗里达依憩塔尼地下泉州立公园的一个蓝色的洞穴里，一个潜水员正在潜水，一束阳光把这里面照得如钻石般透亮。依憩塔尼地下泉是佛罗里达州公园体系中最重要的资源之一，自然资源保护论者们担心依憩塔尼地下泉会被远离公园中心位置的地表径流污染。

照片为国家地理杂志1999年3月《发现北佛罗里达地下泉的“迷宫”》一文而摄，未刊发。