[Centenary of the birth of mining engineer I. M. Puginov].
D004738:Engineering / Q000266:history*; D006294:Health Resorts / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D008906:Mining / Q000266:history*; D012425:Russia (Pre-1917); D014586:USSR
K stoletiiu so dnia rozhdeniia gornogo inzhenera I. M. Puginova.