(Diabase is the type of rock through which the canal was cut)
From: Pravda, 5-8-1933

Summary of the text:
Kochegarov was the only free worker, a craftsman. Day and night he worked on the lock, only showing up to bring reports on the work. After that he immediately got back to work, blowing up the rocks until the seas were joined. Through his great dedication and care lock 11 was finished in time. Kochegarov received a medal.