Sargent Johnson, slate reliefs, 1936c. San Francisco Maritime Museum. Photo: Chris Carlsson. FoundSF.org Posted on 9 November 202010 November 2020 by Sunnyside History Sargent Johnson, slate reliefs, 1936c. San Francisco Maritime Museum. Photo: Chris Carlsson. FoundSF.org Published by Sunnyside History View all posts by Sunnyside History