Peterka, J. A. (Jon A.), authorCivil Engineering Section, Colorado State University, publisher2019-07-092019-07-091961-01https://hdl.handle.net/10217/195671CER61JAP1.Study conducted under NSF Undergraduate Research Participation Program - 1960.January 1961.technical reportsengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Water -- Pollution -- MeasurementWater quality -- TestingWater -- Effect of temperature onFreezing pointsDetermination of impurities in water from observation of freezing temperature of small dropsText