ANSWER: That blank spot (at 450 N. Whisman St in Mountain View) is special because it's the right of way for two pipelines (Bay Division Pipelines 3 & 4) that carry water from the Hetch Hetchy reservoir in the Sierra down to the Pulgas Water Temple (at lat/long 37.48309, -122.31522), and subsequently to the people of the San Francisco peninsula. More »
