Mappa topografica Helmet Rock

Altitudine media: 21 m

In the 1860s, San Franciscans began to feel the need for a spacious public park similar to Central Park, which was then taking shape in New York City. Golden Gate Park was carved out of unpromising sand and shore dunes that were known as the Outside Lands, in an unincorporated area west of San Francisco's…

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Conceived ostensibly for recreation, the underlying purpose of the park was housing development and the westward expansion of the city. Field engineer William Hammond Hall prepared a survey and topographic map of the park site in 1870 and became its commissioner in 1871. He was later named California's first…

Altitudine media: 71 m

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