Summarized by Plex Health
Last Updated: 08 May 2022

The large, white stone near the base of Bootlegger's Steps is regional limestone. Mori Point is among the few locations in the San Francisco area where limestone happens in industrial amounts. When the Spanish arrived in 1776, they used Mori's limestone for constructing structures at the Presidio and Mission, as well as whitewash for Presidio frameworks. The limestone interested neighborhood scientists, that needed to know just how these isolated limestone obstructs formed. When they showed up at the continent, the hill peaks with their white limestone caps ended up being lodged in the side of the continent instead of slipping under it like the remainder of the ocean crust.

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