Photographer: Unknown. Annotations on envelope: 'Erbogachen'. Annotations on negative: N/A. Additional observations: Nizhne-Tunguskaia ekspeditsiia 1925 g.? Khoziaistvennyi dvor, ustroistvo dlia prosushki shkur?. Condition of original: polnaia. Date: not recorded. Keywords: Khoziaistvennaia postroika.