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historicalmarkerproject/markers/HM2E9H_power-plant-no-1_Santa-Clarita-CA.html
Power Plant No. 1. First Los Angeles Aqueduct. Some sections of the original Los Angeles Aqueduct, completed 1913, are still in use. During six years, 100,000 laborers built the 233-mile-long series of canals, pipelines and tunnels that make up th…
historicalmarkerproject/markers/HM28G6_jet-propulsion-laboratory_Agua-Dulce-CA.html
On October 31, 1936 at a site approximately 400 yards to the southeast, in the Arroyo Seco River Bed, a group of students and co-workers from the Guggenheim Aeronautical Laboratory, California Institute of Technology (GALCIT), with the encourageme…
historicalmarkerproject/markers/HMKHS_st-francis-dam-disaster-site_Santa-Clarita-CA.html
The 185-foot concrete St. Francis Dam, part of the Los Angeles aqueduct system, stood 1½ miles north of this site. On March 12, 1928, the 185-foot high concrete dam collapsed just before midnight, sending 12½ billion gallons of water roaring dow…