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<br />.1 <br /> <br />. <br /> <br />/' <br /> <br />. <br /> <br />.' <br /> <br />First Quarterly Progress Report <br />of <br /> <br />BENTONITE SEALING INVESTIGATIONS <br /> <br />During Period of <br />February 1. 1960 to May 1. 1960 <br /> <br />by <br /> <br />R. D. Dirmeyer. Jr. <br /> <br />Prepared for <br /> <br />Southeastern Colorado Water Conservancy District <br />under <br /> <br />CSU Researeh Foundation SUb-Fund 1414 <br /> <br />Colorado State University Experiment Station <br />Engineering Research <br />Fort Collins. Colorado <br /> <br />May 1960 <br /> <br />1011 <br />