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TitleDateType
26 Some moisture and salinity relationships in peat soils1950Text
27 Establishment of date of birth in connection with civil service record1938-08Text
28 Letter dated 2 August 1969 from Gerald F. Allen to Lorenzo A. Richards1969-08-02Text
29 Letter dated 12 December 1966 from Valeen Anderson to Lorenzo A. Richards1966-12-12Text
30 Letter dated 28 July 1975 from John M. Fisher to Lorenzo A. Richards1975-07-28Text
31 Per Capita Food Forecasts1965-06Text
32 Letters exchanged in January and February 1955 between Lorenzo A. Richards and A. LeRoy Sykes concerning his promotion1955-02-07; 1955-01-24Text
33 Water content changes following the wetting of bare soil in the fieldText
34 Biographical information on Lorenzo A. RichardsText
35 Soil moisture1957Text
36 Water conducting and retaining properties of soils in relation to irrigation1952Text
37 Letters of Dec 1981 to and from Lorenzo A. Richards concerning Farouk A. Hassan's application for employment1981-12Text
38 Letters exchanged in February 1975 between Lorenzo A. Richards and J. Y. Wang1975-02Text
39 Sample retainers for measuring water retention by soil1956Text
40 The Usefulness of capillary potential to soil-moisture and plant investigators1929Text
41 Letter dated 25 November 1957 from Willard Richards to his family1957-11-25Text
42 Letter dated December 1984 from Charles A. Black to Lorenzo and Zilla Richards1984-12Text
43 Letters dated June 1968 between Lorenzo A. Richards and L. Willard Richards1968-06Text
44 The Usefulness of capillary potential to soil-moisture and plant investigators1928Text
45 Position description 21202, Lorenzo A. Richards, hand-dated 13 October 1958_10-13-581958-10-13Text
46 A Sodium photo-electric cell1928Text
47 Letter dated 28 June 1972 from Raymond J. Sherman to Sierra Club members1972-06-28; 1972-07Text
48 Tensiometers for measuring the capillary tension of soil water1936Text
49 A thermocouple psychrometer for measuring the relative vapor pressure of water in liquids or porous materials1964Text
50 A thermocouple psychrometer for measuring the relative vapor pressure of water in liquids or porous materials [manuscript]1963-03-30Text
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