Butterflies and Bulldozers on an Island of Time
April 01, 2002 by Susan Zakin
San Bruno Mountain rises along the southern border of San Francisco, remnant of an ecosystem that once covered much of this peninsula. The mountain provides a tenuous refuge for some of the rare plants and endangered butterflies that have lost much of their former habitat. And it beckons to people who want a taste of the San Francisco peninsula as it was before Europeans arrived.
