Excerpt from Report of the Commissioner of Fisheries for the Fiscal Year 1909 and Special Papers
Propagation of food fishes; Extent of the work; Review of operations; Constructions and improvement at hatcheries; Fish-cultural relations with Это и многое другое вы найдете в книге Report of the Commissioner of Fisheries for the Fiscal Year 1909 and Special Papers (Classic Reprint) (George M. Bowers)