IRON PIN PLACEMENTS: INTERSECTIONS OF ALL AVENUES AND 5TH STREET; 6TH STREET AND 6TH AVENUE; STONE MONUMENT AT 6TH AVENUE JUST SOUTH OF SOUTHERN PACIFIC RAILROAD TRACKS; ALSO OUTLINE OF PINS AT CONGRESS STREET AND 17TH AVENUE, THEN 20TH STREET TO 17TH STREET AND 9TH AVENUE TO 11TH AVENUE
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