Legacy Open Space
Montgomery County, Maryland, initiated green infrastructure planning in the 1940s by planning a stream valley park system far in advance of the county's rapid growth. The county began buying land along all of its major stream corridors in the 1940s and 1950s—well before land development had made it impossible to preserve these ecologically important areas. Today all of the county's major stream corridors are public parks. In 2001, the county began adding to this system with a 10-year, $100 million initiative to complete a county-wide network of open space composed of protected farmland, stream valley parks, ecological reserves, trail corridors, and green space preserves.
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