Eric Sanderson

New York -- before the City

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400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife — accurate down to the block — when Times Square was a wetland and you couldn't get delivery.

About the speaker
Eric Sanderson · Landscape ecologist

Armed with an 18th-century map, a GPS and reams of data, Eric Sanderson has re-plotted the Manhattan of 1609, just in time for New York's quadricentennial.

Armed with an 18th-century map, a GPS and reams of data, Eric Sanderson has re-plotted the Manhattan of 1609, just in time for New York's quadricentennial.