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Lockheed Martin

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In 1974, the insulation and roofing company Johns-Manville built a large headquarters at the southwest end of the valley and formed the Ken-Caryl Ranch Corporation to develop the area. In the 1980s, Johns-Manville sold its property to Martin Marietta (now Lockheed Martin), which later allowed Jefferson County Open Space to buy South Valley Park to save it from development.

Littleton, Colorado
Denver Metro
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October 2014

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