19 6x6 triacetate negatives taken by Annemarie Heinrich of workers at the sawmills in San Fernando and of the Puerto de Frutos in Tigre, Buenos Aires. 1 missing negative.
19 6x6 triacetate negatives taken by Annemarie Heinrich of workers at the sawmills in San Fernando and of the Puerto de Frutos in Tigre, Buenos Aires. 1 missing negative.