SF History Association Talk: Underground Waterways of San Francisco

From Thinkwalks:

A San Francisco History Association monthly meeting, open to the public. Joel Pomerantz of Thinkwalks will give a presentation covering hidden creeks and a nontechnical explanation of aquifers, soil hydrology, and springs with new research about the central part they played in the siting and settling of San Francisco.

ALSO ON STREETSBLOG

Thinkwalks: Hayes Valley Social History

|
From Thinkwalks: Thinkwalks walking tour (with Walk San Francisco) Come explore the racial, political and cultural intensity that changed Hayes Valley from being a farm and graveyard to an urban dream, passing through its various ghetto phases along the way. We’ll walk a short distance through many years of change, from Grove and Market streets to […]

Thinkwalks Water Walking Tour

|
From Thinkwalks: This is the deepest, wettest look Thinkwalks offers into the waterways that once coursed through the Mission District and the history of water in San Francisco. Do you love thinking about local creeks, wells, puddles, politics and ponds? We’ll discuss their meandering locations and ecology, their implications for the growth of SF, their […]

Thinkwalks: Wiggle Walk

|
From Thinkwalks: Yes, true, the Wiggle is named due to the zigzag of bike route #30 through the neighborhood and avoiding hills. But is there more to it than that? We’ll explore the ‘hood from this, that and askew angles: geology, activism history, water, and native tribes. Highlights include: Market Street punched through rock, 1928 […]

Thinkwalks: Water Walking Tour

|
From Thinkwalks: This is the deepest look Thinkwalks offers into the waterways that once coursed through the Mission District. Do you love thinking about local creeks, wells, puddles and ponds? We’ll discuss their meandering locations and ecology, their implications for the growth of SF, their spring sources and controversial origins. This is a long tour […]

Thinkwalks: Walk the Wiggle!

|
From Thinkwalks: A natural and cultural history of the bike route through the Lower Haight neighborhood. Covers water flow, dune and hill reshaping, and the bike politics of recent years. Lots about the Native American village that was here and about how the area looked before it was streets.  Meet at the bike mural (Church […]