Actually, the Olympia is shown in brown on the Bromley map (not Sanborn!) because it was made of stone. Sanborn and Bromley used different coloring styles. You can also see the Olympia in brown on the 1930 Bromley atlas:
http://www.wardmaps.com/viewasset.php?aid=411
Actually, the Olympia is shown in brown on the Bromley map (not Sanborn!) because it was made of stone. Sanborn and Bromley used different coloring styles. You can also see the Olympia in brown on the 1930 Bromley atlas: http://www.wardmaps.com/viewasset.php?aid=411