George R. Butler

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The Bay City Wheelmen's Club has been organised with the following officers: President, E. Mohrig; Vice President, George F. Day; Captain, R. F. Cook; Secretary, W. J. Munro; First Lieutenant, George Butler; Second Lieutenant, S. F. Booth; Bugler, Thomas Hill. The club has already taken a couple of runs. 

Founding of Bay City Wheelmen - San Francisco Chronicle 23 Sep 1884, Tue - Page 3

'League of American Wheelmen Century Run, June 1, 1890, in San Francisco at 21st and Capp Mission Street. ( George R. Butler/California Historical Society)'

The Wheelmen. - run to Hollister - 09 Jun 1890, Mon San Francisco Chronicle