Proceedings of the Imperial Russian Geographical Society

P. 36–39

P. 29 (scan 371) 

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P. 621–628

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P. 350, 534, 541

P. 534 (scan 564); Attachment III. Exploration project for Lake Teletskoye [and the estimate for the Teletskoye operation] / P. Ignatov. P. 541–545 (scans 571-575)

P. 116–126 

P. 195–196

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P. 25

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P. 83

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P. 564–570 (scans 601-607)

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P. 2–5