Publish Year Decade: 1930 - 1939 - Blacklight Search Results

Start Over Publish Year Decade 1930 - 1939

152251. Wasps. New forms of sphecoid wasps of genus Didineis Wesmael; by J. R. Malloch and S. A. Rohwer.

Corporate/Agency Authors:: National Museum and Smithsonian Institution
Publisher:: National Museum
Date:: 1930
SuDoc number:: SI 3.6:2837

152252. Watauga County, N. C. Soil survey of Watauga County, N. C.; by W. A. Davis, W. B. Cobb, and R. E. Devereux.

Corporate/Agency Authors:: Chemistry and Soils Bureau and Agriculture Department
Publisher:: Chemistry and Soils Bureau
Date:: [1930.]
SuDoc number:: A 47.5:928/1

152253. Water purification. Experimental studies of natural purification in polluted waters: 2, Development of suitable dilute medium [with list of references]; by C. T. Butterfield.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1930
SuDoc number:: T 27.6/a:1328

152254. Water purification. Experimental studies of natural purification in polluted waters: 3, Note on relation between food concentration in liquid media and bacterial growth; by C. T. Butterfield.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1930
SuDoc number:: T 27.6/a:1336

152255. Water purification. Experimental studies of water purification: 4, Observations on effects of certain modifications in coagulation-sedimentation on bacterial efficiency of preliminary water treatment in connection with rapid sand filtration; by H. W. Streeter.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: 1930
SuDoc number:: T 27.6/a:1392

152256. Water purification. Studies of efficiency of water purification processes: 4, Report on collective survey of efficiency of selected group of municipal water purification plants located along Great Lakes; by H. W. Streeter.

Corporate/Agency Authors:: Public Health Service and Treasury Department
Publisher:: Public Health Service
Date:: Nov. 1929, [published] 1930
SuDoc number:: T 27.12:193

152257. Water-tenders. Instructions for use in preparation for rating of water tender 2c, course in 19 assignments.

Corporate/Agency Authors:: Navigation Bureau and Navy Department
Publisher:: Navigation Bureau
Date:: Edition of 1929. 1930
SuDoc number:: N 17.25:W 29/assi.1-19

152258. Water-tenders. Progress and examination tests to be used with instructions for use in preparation for rating of water tender 2c.

Corporate/Agency Authors:: Navigation Bureau and Navy Department
Publisher:: Navigation Bureau
Date:: Edition of 1929. 1930
SuDoc number:: N 17.25:W 29/1-2/assi.1-19

152259. Water. Contributions to hydrology of United States, 1929; Nathan C. Grover, chief hydraulic engineer.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: 1930
SuDoc number:: I 19.13:636

152260. Water. Contributions to hydrology of United States, 1929; Nathan C. Grover, chief hydraulic engineer.

Corporate/Agency Authors:: Geological Survey and Interior Department
Publisher:: Geological Survey
Date:: 1930

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