"United States" . . . . . . . "Selective guide to climatic data sources : Key to meteorological records documentation no. 4.11"@en . "Observations"@en . . . . . "Selective Guide to climatic data sources" . . . . . . . "Bibliography"@en . "Bibliography" . . "Selective guide to climatic data sources"@en . "Selective guide to climatic data sources" . .