Page 13 - jdrogers2017bb
P. 13

Big Bill Mulholland, the



                                                                       problem solver


































                                                                       • Mulholland was the first civil engineer
                                                                           to recognize the hazard posed to water

                                                                           supply systems by active faults.

                                                                       • He identified the San Andreas fault
                                                                           zone 400 ft beneath Lake Elizabeth

                                                                       • Saving miners trapped in a collapse of

                                                                           the Elizabeth Lake Tunnel by using

                                                                           pipes and hard boiled eggs
   8   9   10   11   12   13   14   15   16   17   18