Where would a grain broker have worked in 1900

greenspun.com : LUSENET : San Francisco History : One Thread

My Great Uncle Richard E. Mulcahy is listed in the 1900 census living at 420 Bush St. He was a Grain Broker and I wonder what building he worked in? I can't find him after this census.

-- Margaret Hamilton (multon4240@aol.com), August 08, 2001

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