Gravel Suppliers For Potrero Ca

Gravel Suppliers For Potrero Ca

Beaumont California Home to two Lockheed Martin heritage company sites Potrero Canyon and Laborde Canyon. Both locations used to produce and test solid rocket propellant and motors in the 1960s and early 1970s. Potrero Canyon was also used for weapons and ballistics testing. Contamination was found at both sites.

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