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TitleDateType
1 Transpiration of alfalfa determined from soil water content changes1960Text
2 Water content changes following the wetting of bare soil in the fieldText
3 Retention and transmission of water in soil1955Text
4 Soil moisture1957Text
5 Letter exchanged in July 1972 between Lorenzo and Zilla Richards and "Les and Zay" Weaver1972-07-16Text
6 Letters exchanged in August 1975 between Lorenzo A. Richards and Percy H. and Janet Carr1975-08-23; 1975-08-18Text
7 Application form dated 22 April 1958, filled out by Lorenzo A. Richards1958-04-22Text
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